DEV Community: IPFoxy

How to Scrape Google SERP with Selenium safely: Proxy Setup, Anti-Detection & Troubleshooting

IPFoxy — Wed, 30 Sep 2026 09:41:17 +0000

Google SERPs contain organic search results, ads, related questions, and other critical insights, making them a key data source for SEO monitoring and keyword research. Compared to sending direct HTTP requests, using Selenium to drive a browser execution of JavaScript aligns much closer to real human browsing behavior. However, it remains susceptible to network exit nodes, browser environment signals, and request patterns.

This article walks through Google SERP scraping across four core dimensions: anti-detect mechanics, proxy configuration, request pacing, and page parsing, along with solutions to common troubleshooting scenarios.

I. Selenium Web Crawling: What Is Google's Anti-Scraping Detection Monitoring?

Using Selenium to scrape Google SERP allows you to directly drive browser loading of JavaScript, cookies, and dynamic elements, subsequently extracting search results from rendered pages. Note, however, that while Selenium solves browser automation, it does not inherently bypass Google's access restrictions.

Google enforces explicit boundaries on unauthorized automated queries. Before initiating scraping tasks, verify your data usage scenarios and control request scale. If captchas, blank pages, or automated query notices occur frequently during execution, systematically review the following areas:

Network Exit Nodes: Generating a high volume of search requests from the same IP within a short timeframe increases abnormal traffic signals. Frequently switching IP across different geographical regions can also cause access environment inconsistencies.
Browser Environment: Significant discrepancies in browser version, cookies, language, time zone, or other settings can trigger abnormal page states.
Access Pacing: Submitting similar keywords continuously, concentrating requests too densely, or repeatedly retrying after failures escalates access limits.
Page States: Captchas, consent walls, or empty result pages differ in HTML structure compared to normal SERP. Page status must be validated prior to parsing.

II. Scraping Google SERPs with Selenium: A 4-Step Reliable Extraction Workflow

Step 1: Prepare the Browser Environment

First, ensure compatible versions across Chrome, ChromeDriver, and Selenium. When using Selenium 4, leverage Selenium Manager to handle drivers automatically and minimize setup overhead. Below is a basic implementation:

from selenium import webdriver driver = webdriver.Chrome() driver.get("https://www.google.com")

During the debugging phase, start with standard browser mode to confirm that Google loads normally before switching to headless mode for server deployments. This isolates browser environment issues early.

Step 2: Configure a Stable Network Exit Node

The network exit point is a fundamental factor governing the stability of Google SERP access. Routing heavy request volume through a single shared exit node over long periods easily creates concentrated traffic signatures. Conversely, constantly alternating IP across disparate locations risks mismatching access location with browser environment parameters. This can elevate anomalous traffic flags, leading to increased captchas, blocked requests, or incomplete data.

For long-term tracking targeting a fixed region, select a dedicated static residential proxy. When cross-regional coverage is required, adjust proxy location parameters according to your scraping requirements.

For multi-region or high-diversity operational demands, opt for service providers offering diversified proxy solutions, such as IPFoxy. Rather than simply chasing raw IP count, prioritize resources with high IP stability and robust pool depth. Configuring these within your Selenium environment preserves location consistency and raises real-world request success rates.

Below is an example of proxy setup in code:

options.add_argument("--proxy-server=http://HOST:PORT")

Replace HOST:PORT with your active proxy credentials. After setting this up, access Google to verify the exit node before starting keyword collection. Keep in mind that proxies resolve network routing challenges, but cannot replace rational request pacing strategies.

Step 3: Set Search Parameters and Reasonable

Pacing With the network layer validated, configure search terms and request timing. Avoid dumping large batches of keywords sequentially. Test the pipeline end-to-end with a small keyword subset before scaling up.

For page loading, rely on Selenium's explicit waits based on target element rendering or state changes, rather than hardcoding static time.sleep() calls across operations.

Code example:

from selenium.webdriver.common.by import By

from selenium.webdriver.support.ui import WebDriverWait

 

keyword = "Selenium Google SERP"

driver.get(f"https://www.google.com/search?q={keyword}")

 

WebDriverWait(driver, 10).until(

    lambda d: d.find_element(By.CSS_SELECTOR, "#search")

)

The primary goal here is managing normal execution pacing; if 429 status codes occur, transition to troubleshooting steps.

Step 4: Parse SERPs and Extract Target Data

Because Google SERPs dynamically alter layout modules based on keywords, locations, and search intent, parser logic should not assume identical DOM structures across all queries. Focus extraction exclusively on fields essential to your workload, incorporating exception handling for missing elements.

Construct selectors aligned directly with target data targets:

Title: Extract title text tied to search results
URL: Retrieve destination links with fallbacks for null values
Snippet: Capture descriptive body text based on current DOM elements

Sample code:

results = driver.find_elements(

By.CSS_SELECTOR, "#search h3"

)

 

for result in results:

print(result.text)

After completing small-scale tests, scale up keyword volumes incrementally. This approach isolates browser issues, network faults, page load delays, and parsing errors independently, keeping large-scale tasks manageable.

Note that Google SERP DOM structures update periodically. The CSS selectors provided serve as illustrative examples under current layouts; production scrapers must adjust rules based on active target page inspections.

III. Troubleshooting Common Issues in Selenium Google SERP Scraping

Frequent CAPTCHA Triggers

Repetitive searches within tight windows, high keyword similarity, request spikes, or elevated IP risk profiles all increase captcha probability. Lower request frequencies, vary query keywords, and check network exit stability.

If captchas persist after pacing adjustments, evaluate whether the IP is shared heavily or flagged historically. For long-term location-bound scraping, consider switching to dedicated static residential proxies, though proxies alone cannot substitute for disciplined access pacing.

Blank Pages or Consent Walls

An empty response does not always mean an IP block. Cookies, localized region settings, language headers, or JavaScript execution delays can result in DOM structures different from standard desktop SERP.

To troubleshoot, manually open the identical search URL in a standard browser to confirm underlying availability. If manual access works, inspect the HTML returned by Selenium to determine whether it hit a consent screen, incomplete dynamic loading, or selector mismatches. For dynamic elements, use explicit waits to confirm target nodes exist before executing extraction routines.

Abnormalities in Headless

Mode Headless mode suits server deployment and high-volume tasks, but initial debugging should always happen in non-headless mode. If standard execution works while headless mode fails, check browser versions, window dimensions, page loading states, or script execution timing.

Temporarily disable headless mode to retest, then verify launch flags and parameter setups step-by-step. Confirming stability in non-headless mode makes pinpointing root causes much simpler than merely inflating timeout intervals.

HTTP 429 or Rate Limit Errors

A 429 error code indicates excessive request density. Even when switching proxies, submitting high-density similar requests within short intervals will continue triggering rate limits.

To remediate, reduce request frequency, diversify search terms, and implement exponential backoff delays rather than immediate retries upon failure. For large workloads, divide queries into smaller batches. Proxies modify network exits; they do not alter the underlying need for sensible pacing.

Parser Failure Due to HTML Structure Changes

Successful page rendering in Selenium does not guarantee successful extraction. When Google updates page markup, hardcoded class names or rigid XPaths fail, returning empty result arrays or element-not-found errors.

When parsing fails, confirm page validity first, then cross-reference selector definitions against the live page DOM. When necessary, output raw HTML or capture page screenshots for structural comparison, update selector definitions, and add try-catch blocks to prevent a missing field from failing the entire task.

IV. FAQ

Can Selenium completely prevent Google anti-scraping blocks?

No. Selenium is a browser automation framework; it does not inherently bypass captchas or rate limits. Scraping stability depends on network exit quality, browser environmental integrity, query frequency, and task footprint.

Are proxies mandatory for scraping Google SERPs?

Not always. Small-scale or authorized internal testing can run on local connections. However, if you require region-specific search results or need to isolate networking environments across parallel tasks, using a proxy delivers significant practical utility.

Should I choose Selenium or a SERP API?

Choose Selenium when your workflow requires custom browser interactions, specific user behaviors, or bespoke DOM parsing. If your primary goal is collecting structured SERP data efficiently, a specialized SERP API generally lowers overhead related to running browser instances, maintaining parsers, and managing infrastructure.

V. Conclusion

Maintaining stability when scraping Google SERPs using Selenium hinges on balancing browser parameters, exit node networks, access pacing, and robust parsing logic. When encountering captchas, 429 status codes, or blank pages, systematically isolate root causes across network environments, execution behavior, browser state, and DOM structure. For authorized data extraction, controlling task scale while keeping environment settings stable ensures optimal data collection consistency and accuracy.

Dedicated vs Shared Proxies: What's the Difference and How to Choose?

IPFoxy — Tue, 29 Sep 2026 11:06:02 +0000

In e-commerce, social media multi-account management, or data collection operations, issues such as account restrictions, request blocks, or frequent CAPTCHA prompts are common. After ruling out operational behavior and anti-detect browser environment factors, the choice of proxy is often at the core of the problem. When evaluating providers, users typically face a fundamental choice: Dedicated vs Shared Proxies, and which one to pick.

This article will introduce how to choose between Dedicated vs Shared Proxies across five key dimensions.

I. What Are Dedicated vs Shared Proxies?

A dedicated proxy means an IP address is assigned exclusively to a single user at any given time. The user enjoys exclusive usage rights, and no other users can send network requests through this proxy.

A shared proxy involves multiple users accessing a shared proxy pool simultaneously or alternately. Providers allocate limited proxy resources among a large number of users, routing requests through a public proxy channel.

II. Key Differences: Dedicated vs Shared Proxies

Understanding the difference requires looking beyond basic definitions and examining real-world business performance:

Proxy Usage Rights: Dedicated proxies are bound one-to-one and completely controlled by a single user; shared proxies are one-to-many or many-to-many, meaning users cannot control other activities taking place on the same proxy.
Stability: Dedicated proxies feature independent bandwidth and resources, offering constant access speeds and response times; shared proxies are prone to increased latency or connection drops during peak traffic due to resource contention.
Proxy Reputation: Dedicated proxies maintain a clean history and high reputation as long as the user stays compliant; shared proxies carry risk because bad behavior by others (such as aggressive web scraping or spam registrations) can cause target websites to block the proxy, impacting all shared users.
Concurrent Usage: Dedicated proxies usually place no limit on concurrent requests, making them ideal for multi-threaded tasks; shared proxies limit concurrency based on provider resource limits, which can easily trigger rate limits under high concurrency. III. Use Cases for Dedicated Proxies

Dedicated proxies are better suited for operations with clear requirements for proxy continuity, access environment consistency, and account isolation.

Long-Term Account Operations Accounts on social media, e-commerce platforms, or other services requiring long-term logins prioritize network environment consistency. If accounts require a long-term fixed regional network environment, switching proxies frequently introduces environmental variables. Dedicated proxies reduce uncontrollable factors caused by shared users.

Operations Requiring High Proxy Reputation If a task requires using a proxy over an extended period, focus should be placed on whether the proxy is shared among multiple users and its network attributes. In this context, the value of a dedicated proxy goes beyond single-user usage; it minimizes external user activity variables that could affect the current operation.

Operations Requiring Location-Specific Access Geographic location involves more than just country-level placement; it can extend to specific cities, ISPs, and network types. For example, even within the target country, if an operation needs to replicate an access environment in a specific city, country-level coverage may be insufficient, requiring proxy nodes that support city-level targeting.

IV. Use Cases for Shared Proxies

Not all tasks require dedicated proxies.

Temporary Access and Basic Testing If a task only requires short-term access to a website in a specific region or basic testing to verify page loading without needing long-term proxy retention, a shared proxy is generally sufficient. The priority for such tasks is whether the current proxy functions properly, rather than whether it remains exclusively assigned to the same user later on.

Data Collection with Low Proxy Reputation Requirements Some public data collection tasks require multiple proxies for requests but do not demand a fixed proxy over time. These tasks should choose proxies based on target site access rules, request frequencies, and proxy rotation needs. If the workflow allows proxy changes, shared resources can lower proxy costs. However, if the target website strictly enforces access frequency, proxy origin, or network type restrictions, relying solely on shared proxies will not solve the issue. Proxy types and request methods must be adjusted based on actual constraints.

Development and Functional Testing During development, if you only need to verify whether an application connects correctly to a proxy, sends requests, or rotates proxies, shared proxies serve well as test resources. Once operations move to long-term execution, re-evaluating proxy types based on actual account, location, and stability requirements is generally more practical than configuring dedicated proxies for all test environments from the start.

V. Four Common Pitfalls When Using Dedicated Proxies

In practice, the following issues can significantly diminish the effectiveness of dedicated proxies.

Sharing a Single Dedicated Proxy Across Multiple Accounts The core value of a dedicated proxy is isolation.
Binding multiple store or social media accounts to a single dedicated proxy to save costs essentially turns a dedicated proxy into a shared one. Once platform risk controls detect multiple accounts operating from the same proxy, account linkage risks increase significantly. In practice, strictly follow the one-account-one-proxy rule. When operating across multiple regional markets, allocate local proxies for each target market to ensure independent and matching network environments for every account. It is recommended to choose professional proxy providers like IPFoxy Proxies, which offer dedicated static proxies with no IP reuse. Combined with isolated anti-detect browser environments, this preserves proxy isolation between accounts while matching local proxies to target markets, making it ideal for multi-account and multi-market operations.
Failing to Match Proxy Types to Business Needs Dedicated proxies are not synonymous with static proxies or residential proxies.
Dedicated refers to usage rights, static/rotating refers to session handling, and residential/datacenter/mobile refers to proxy origins. For long-term account management or ad account management that requires a residential network environment, choose a dedicated static residential proxy to ensure long-term stability; if residential attributes are unnecessary—such as for API integrations or server communication—choose a dedicated static datacenter proxy for lower costs while meeting stability demands. However, for high-frequency data collection or tasks requiring distributed access patterns, using a dedicated static proxy can easily trigger target website rate limits. In these cases, rotating proxies are more suitable, distributing requests via proxy rotation. Depending on target site requirements regarding proxy origin, you can further choose between rotating residential proxy or rotating datacenter proxy options. Therefore, when managing diverse tasks like account operations, API access, and data scraping simultaneously, providers like IPFoxy Proxies—which support multiple proxy types—allow flexible switching and selection to prevent mismatch issues.
Deploying at Scale Without Testing Configurations First Running core accounts immediately after obtaining proxy credentials is one of the highest-risk practices in implementation.
After configuration, first verify the network type of the proxy, such as datacenter or residential. Use proxy lookup tools to check information like ASN, ISP, and Usage Type. For example, a Usage Type showing Data Center typically indicates a datacenter network, while Residential aligns with residential network attributes. ISP identifies the network provider, while ASN assists in determining the network organization behind the proxy. Simultaneously, confirm whether the actual location of the proxy matches the target region of the business, avoiding logical contradictions such as using a proxy in Southeast Asia for profile details set in Western markets. Once test results meet standards, gradually scale up usage. Combining this information helps confirm whether the proxy meets the network environment criteria required by the business.
Ignoring Proxy Protocol Compatibility with Target Devices Different devices and tools support different proxy protocols.
Certain cloud phone environments require SOCKS5, while most browsers and automation scripts support HTTP/HTTPS. Purchasing without verifying protocol compatibility leads to configuration issues or connection failures. Always verify protocol compatibility with target devices or software tools prior to purchase.

VI. FAQ

1.Which is safer: dedicated or shared proxies?
Dedicated proxies are used exclusively by a single user, so proxy reputation is affected only by your own activity and is immune to violations by others. Shared proxies are shared among multiple users with unpredictable history; if others use the proxy for malicious requests, account security may be compromised. Operations requiring high account security should prioritize dedicated proxies.

2.Do shared proxies always lead to account bans?

Not necessarily. If your operation has low requirements for proxy reputation and the target platform does not strictly audit proxy history, shared proxies can fulfill the requirement. However, when platform risk controls are strict, unpredictable shared proxy factors increase account restriction risks. Usability depends on your actual requirements for proxy purity and stability.

3.What are the key parameters to check when selecting dedicated proxies?

Focus on four key items:

Whether the proxy is never reused.
Whether bandwidth and concurrency are restricted.
Which proxy protocols and types are supported.
Whether regional coverage includes your target markets.

If long-term environment consistency is required, confirm support for static proxies; if proxy switching is required, verify proxy rotation capabilities.

VII. Conclusion

There is no single answer for Dedicated vs Shared Proxies that fits every business requirement. The essence of proxy selection lies in matching proxy capabilities to your network environment requirements.

Operations heavily dependent on proxy reputation and stability should prioritize dedicated proxies; while scenarios with low cost and lower exclusivity requirements can be served by shared proxies.

When selecting dedicated proxies, evaluate metrics such as proxy purity, protocol support, resource limits, and coverage area. Validating real-world performance through trials is the best way to find the optimal solution for your business.

Steam Account Creation Failed? Latest Guide & Top 5 Fixes (2026)

IPFoxy — Mon, 28 Sep 2026 10:06:48 +0000

Registering a Steam account seems straightforward, but you may encounter issues such as CAPTCHA failures, unreceived verification emails, or unsubmitted pages in practice. Even if the registration information is correct, anomalies in the browser, network environment, or verification components can still lead to registration failure. This article outlines the latest Steam registration process and provides solutions for five common causes to help you troubleshoot registration issues quickly.

I. Steam Account Registration Process

Steam currently allows direct account creation via the registration page or through the Steam client. If errors persist during web registration, Steam officially recommends trying to create an account through the Steam client.

Step 1: Access the Steam Account Registration Page

Open the official Steam website, go to the login page, select "Join Steam," or directly visit the Steam account creation page. The current registration page requires entering an email address, confirming the email, selecting your country/region of residence, and completing CAPTCHA verification.

Step 2: Enter Email, Region, and Complete Verification

Enter your primary email address and confirm that the email information is correct. Select your country/region of residence, complete the CAPTCHA verification according to the prompts, and check the box to agree to the Steam Subscriber Agreement and age requirements.

After submitting the information, Steam will send a verification email to your registered address. Open your inbox, locate the Steam email, click the verification link inside, and return to the registration page after completing the verification.

If the email does not arrive, check your spam or junk folders first. You can also search for "Steam" in your inbox or wait a moment before requesting another email.

Step 3: Set Account Name and Password

After completing email verification, set your Steam account name and password as prompted. Your account name is different from your public profile name, so choose a name you will use consistently. Submit after confirming the information to complete registration. Once Steam accepts your information, you can log in through the Steam client or website.

II. 5 Main Causes and Solutions for Steam Account Registration Failures

Network Outlet or Access Environment Anomalies

Steam registration requires not only opening web pages normally but also sending requests across multiple services, including CAPTCHA and email. Unstable network connections, frequently changing outlets, or abnormal access to verification services within the current network environment can cause submission failures.

Keep your current network connection stable and avoid switching Wi-Fi, mobile networks, or proxy routes during registration. If using a proxy to access Steam, prioritize a stable dedicated outlet to avoid multi-user shared or frequently changing network environments.

For example, using a dedicated static residential proxy provided by IPFoxy maintains an authentic residential network outlet with strong stability. If your current network consistently fails verification, using a proxy can temporarily reduce interference caused by frequent network environment changes.

Repeated CAPTCHA Failures or Falling into an hCaptcha Loop

If the page reloads after completing the CAPTCHA or repeatedly requests verification, the CAPTCHA component usually fails to complete validation normally. Issues with cookies, browser extensions, or verification requests can cause this situation.

Troubleshoot in the following order:

Refresh the Registration Page: Reload the page and complete verification again to avoid using an expired verification status.
Check Cookies: Ensure the browser does not block necessary cookies to allow normal saving of verification status.
Disable Interfering Plugins: Temporarily turn off ad blockers, privacy protection, and similar extensions before resubmitting registration. Browser Cache, Cookie, or Extension Interference

Old browser cache, cookies, or third-party extensions can affect script loading and status saving on the Steam registration page. Enabling strict privacy protection or script blocking may also prevent normal page submission.

Clear Steam-related cache and cookies, then reopen the registration page. If you cannot determine the specific setting causing the issue, test directly in an incognito window or switch to a clean browser.

Non-Standard Email or Registration Information

Typing errors in the email, mismatched email addresses, or an email already linked to a Steam account can prevent registration from continuing. Inspect the corresponding fields based on page feedback when prompt messages appear.

**Key checks include: **Verify Email Spelling: Check for incorrect letters, numbers, or symbols.
Check Email Status: If prompted that the email is already linked to an account, attempt to recover the original Steam account.
Check Verification Emails: If you do not receive an email, check spam folders and confirm the email address can receive messages normally.

If the email itself is fine, wait a short period before requesting a new verification email. If you still do not receive it, test with a different email address.

System or Security Software Blocking Registration Requests

Computer firewalls, antivirus software, or DNS filtering tools may restrict browser access to certain webpage resources, leading to incomplete page loading or unsent requests on the Steam registration page.

Check security software blocking logs to confirm whether network requests from Steam or your browser are restricted. Additionally, ensure system time accuracy and update your browser to a newer version.

If web-based registration still fails after these steps, switch directly to the Steam client to determine whether the issue originates from the browser or web environment.

III. What Else to Keep in Mind After Successfully Registering a Steam Account

Preventing Multi-Account Association

If you need to manage multiple Steam accounts simultaneously, avoid logging in and switching accounts frequently within the same browser environment. Save login information separately for each account and keep browser environments and network outlets stable.

When using a proxy, the focus is not on frequent route changes but on maintaining consistency between accounts and network environments. You can configure proxies, such as those from IPFoxy, into anti-detect browser environments to create isolated network setups for different accounts, reducing login verification issues caused by frequent environment switching.

Enable Steam Guard Promptly

Steam Guard adds an extra layer of login verification to your account. Once enabled, logging into Steam on a new device requires identity verification via email or the Steam Mobile App.

After registration, go directly to Steam Settings, click Security, and verify whether Steam Guard is enabled. For long-term account use, prioritize binding your primary email address and mobile device, and securely save all recovery information.

Note Restricted Accounts and Email Activation

Ensure your registration email has completed verification after finishing setup, and securely save its login credentials. Emails are used not only for account verification but also for Steam logins and security checks; use a long-term, stable email capable of receiving messages normally.

New Steam accounts may start as restricted accounts, temporarily limiting access to certain community features without indicating a registration failure. According to official Steam rules, accounts must meet specified spending requirements to unlock features like adding friends, using the Steam Community Market, and trading.

If certain features are unavailable after successful registration, confirm whether the account is restricted and fulfill the corresponding requirements outlined by Steam.

IV. FAQ

Why does Steam keep saying "Unable to create your Steam account"?

This prompt usually indicates that the registration request failed to complete normally. Check your network connection, CAPTCHA, and browser environment, then confirm whether the email and registration details are entered correctly. Adjust one factor at a time to isolate the issue.

What should I do if I cannot register a Steam account on the web page?

Check browser cookies, extensions, and your network connection. If creation still fails, Steam officially recommends registering through the Steam client.

What should I do if I cannot pass the Steam CAPTCHA?

Disable browser extensions that might block CAPTCHAs, clear cache and cookies, and test with a different browser. If it still fails, try registering via the Steam client.

What should I do if I don't receive a Steam registration verification email?

Verify your email spelling, check your spam folder, and wait a moment for delivery. If you do not receive it after a long wait, try switching to a different email address as prompted on the Steam registration page.

V. Summary

When encountering issues where a Steam account cannot be registered, repeatedly submitting requests is not the solution. Focus first on identifying the failed step, then perform targeted troubleshooting across your network environment, CAPTCHA, browser, email information, and system security settings. After completing registration, verify your email promptly, turn on Steam Guard, and maintain a stable environment to ensure complete account management from setup to ongoing use.

TCP vs. UDP Protocol Guide: Key Differences, Use Cases & Selection Guide

IPFoxy — Thu, 24 Sep 2026 08:02:12 +0000

TCP and UDP are both transport layer protocols in the TCP/IP suite, but they differ significantly in connection handling, reliability, and transmission efficiency. While TCP emphasizes stability, reliability, and ordered delivery, UDP focuses on low overhead and low latency. This article explores the core differences between TCP and UDP to help you optimize network configurations for web browsing, API calls, data collection, and real-time communication.

I. What Is TCP?

TCP (Transmission Control Protocol) is a connection-oriented transport layer protocol designed to ensure that data is delivered reliably and in order. TCP serves as the underlying transport mechanism in common scenarios such as web browsing, API calls, and file transfers.

Actual communication can be broken down into three primary stages: establishing a connection, transmitting data, and closing the connection:

Connection Establishment: The client and server confirm communication readiness through a "three-way handshake" to establish a TCP connection.
Data Transmission: Data is divided into multiple TCP segments. Acknowledgments and sequence numbers guarantee ordered delivery. If packet loss occurs, TCP uses retransmission mechanisms to resend lost data.
Connection Closure: After data transfer completes, communication resources are released through a connection teardown process.

It is worth noting that TCP does not completely prevent packet loss; rather, it uses acknowledgments, retransmissions, flow control, and congestion control mechanisms to deliver data reliably and in order.

These features make TCP ideal for scenarios requiring high data integrity. However, they also introduce extra overhead for connection establishment, data acknowledgment, and packet retransmissions. When network quality drops and packet loss occurs frequently, retransmissions can increase overall transmission latency.

II. What Is UDP?

UDP (User Datagram Protocol) is also a transport layer protocol, but it uses a connectionless, datagram-oriented transmission method. It does not natively guarantee reliable or ordered delivery, making it better suited for applications that prioritize real-time performance and transmission efficiency.

Unlike TCP, UDP does not require establishing a connection before sending data. Once an application generates data, it can immediately package it into a UDP datagram and send it out. The receiving end then routes the data to the correct application based on the port number.

If packet loss, out-of-order delivery, or duplication occurs during transmission, UDP itself will not retransmit or reorder the packets. Therefore, when adopting UDP, you must first evaluate whether your application can tolerate minor data loss. If it cannot, a reliable transmission mechanism must be implemented at the application layer.

III. TCP vs. UDP: Core Differences and Protocol Selection

To quickly compare how TCP and UDP operate, refer to the comparison table below across six key dimensions:

TCP and UDP are not simple one-to-one replacements for each other. Your choice depends on your application's requirements for reliability versus real-time speed. If data loss or out-of-order delivery compromises business outcomes—such as with API responses, file transfers, and email transmission—you should rely on TCP's built-in reliability. If real-time performance is paramount and minor data loss is acceptable—such as with live voice and video streams—UDP is usually the preferred choice.

Additionally, protocols are not bound exclusively to specific application types. For example, traditional HTTP operates over TCP, whereas HTTP/3 uses QUIC—built on top of UDP—to handle low-level transport while providing reliable delivery at the protocol layer. Therefore, choosing the right transport protocol requires considering both the specific application protocol and the overall network environment.

IV. Typical Use Cases for TCP and UDP

1. Web Browsing and API Calls

Web browsing and API calls generally require downloading complete HTML files, JSON responses, images, or other assets. Traditional HTTP/1.1 and HTTP/2 rely on TCP to deliver data reliably and in sequence, reducing the risk of missing data affecting application performance.

However, with the adoption of HTTP/3, web communications can also run over UDP. HTTP/3 relies on QUIC, which uses UDP as its underlying transport layer while maintaining reliable transmission at the protocol level. Therefore, when analyzing web communication performance, you should identify whether your setup uses HTTP/1.1, HTTP/2, or HTTP/3 rather than assuming a single underlying protocol.

2. AI Agents and Data Collection

When AI agents access websites, invoke APIs, or run browser automation tasks, most underlying requests travel over HTTP/HTTPS, making TCP connections the standard choice. During data collection, interrupted page loads, delayed API responses, or dropped long-lived connections can cause task failures or incomplete dataset retrieval.

If you route AI agents or data scraping scripts through a proxy, pay close attention to the following factors:

Protocol Compatibility: Ensure your proxy configuration matches the HTTP(S) or SOCKS5 protocols supported by your automated tools.
Connection Stability: Monitor TCP connection success rates, latency fluctuations, and long-running stability.
Network Consistency: For long-term scraping operations, frequent changes in network exit points can disrupt tasks or cause session state changes.

For continuous, long-term data collection tasks, choosing a stable exit IP network—such as dedicated static residential proxy solutions from IPFoxy—helps ensure reliable connections. IPFoxy also supports UDP traffic, allowing you to choose the ideal proxy method based on your specific automation tools and communication protocols to minimize task disruptions caused by network volatility.

3. Live Streaming and Video Conferencing

Live streaming, video conferencing, and real-time voice calls prioritize low latency and continuous transmission. For real-time media communication, UDP eliminates the delays associated with connection management and retransmissions. Dropping a few isolated packets is generally preferable to waiting for delayed retransmissions of old data.

As a result, these applications frequently adopt UDP or custom real-time protocols built on top of UDP. However, if an application implements its own reliability mechanism at an upper protocol layer, you should not assume it uses UDP solely because it handles video stream content.

4. File Transfers and Email Services

File transfers and email dispatch require complete data delivery; lost packets or out-of-order sequences can corrupt the final output. Consequently, file and email protocols have relied heavily on TCP for decades.

Standard protocols like FTP, SMTP, and IMAP run over TCP. For these tasks, connection stability and data integrity take priority over minor latency reductions, making TCP's reliable delivery mechanisms the ideal fit.

5. Network Infrastructure Services (DNS, DHCP)

DNS queries predominantly use UDP to keep request and response overhead low. However, DNS can fall back to TCP when payloads are exceptionally large or when specific network conditions demand it. DHCP also uses UDP for basic client-server communication.

As shown, TCP and UDP usage does not follow rigid, absolute rules. A single application may switch transport methods based on its underlying protocol, payload size, network conditions, and real-time constraints. Network configurations should always be tailored to actual application protocols and operational demands.

V. FAQ

Which is faster, TCP or UDP?

Speed cannot be evaluated without considering the context. While UDP has lower protocol overhead, TCP features robust reliability and congestion control mechanisms. Real-world speed depends on network quality, server responsiveness, physical distance, and the application protocol in use.

Is TCP inherently more stable than UDP?

If "stability" refers to reliable delivery and ordered packet sequence guarantees, TCP offers superior protocol-level protections. However, if the underlying network experiences severe latency, packet loss, or link drops, TCP cannot automatically resolve these physical network issues.

How are dropped packets handled in UDP?

UDP does not perform automatic retransmissions. For critical data streams, application-layer code can implement custom acknowledgment, retransmission, and packet reordering systems. QUIC is a prime example: it uses UDP for low-level transport while providing reliable stream delivery above the transport layer.

Should I choose TCP or UDP when using a proxy?

First, verify which protocols your target application and proxy tools support. For web browsing, API calls, or web scraping, prioritize TCP connection stability. If your setup involves real-time audio/video streaming or other datagram traffic, confirm that your proxy setup supports UDP forwarding.

VI. Conclusion

In summary, neither TCP nor UDP is universally superior. The fundamental difference lies in how each protocol balances reliability, latency, and transmission overhead. TCP is better suited for web browsing, APIs, and file transfers, whereas UDP excels in real-time audio/video streaming and DNS queries. Choosing the right protocol requires evaluating your application protocol requirements, network environment, and proxy infrastructure capabilities.

How to Register and Warm Up an X Account: 2026 Guide for New Accounts

IPFoxy — Wed, 23 Sep 2026 10:57:35 +0000

Registering an account on X (formerly Twitter) is relatively straightforward, but how you use a new account after registration can directly affect its long-term operating experience and account lifespan.

New accounts should avoid performing a large number of actions immediately after registration. Instead, gradually complete the profile, browse content, and interact naturally. If you plan to operate multiple X accounts over the long term, you should also pay close attention to login devices, network environments, and account management.

This guide walks through a practical process from registration to daily account management, with basic recommendations for reducing the risk of restrictions or suspension.

I. X Account : What Risk-Control Rules Should You Know?

X primarily evaluates account relationships and abnormal behavior patterns as part of its risk controls. If the system detects multiple accounts operating from the same IP address, the same device environment, or with highly similar behavior patterns, those accounts may be more likely to face linked restrictions or suspensions.

II. 2026 X Account Registration Process

Step 1: Set Up the Environment

Open an antidetect browser and create a separate browser profile for the account.

Retrieve the required proxy details from the IPFoxy dashboard. A dedicated static residential proxy can be configured in the antidetect browser. Test the connection and geolocation before registration to keep the account environment consistent and isolated.

Step 2: Enter Account Information and Register

Open the official X website and choose to sign up with a phone number or email address.

An overseas email account can be used for registration. Avoid repeatedly switching pages or refreshing from the same IP during the process.

Enter a plausible name and date of birth, and make sure the age entered is over 18.

Step 3: Verification and Initial Setup

Enter the verification code sent to your email. If phone verification is requested, complete the verification as prompted by X.

After successfully signing in, avoid making too many profile changes at once. Keep activity light during the first 24 hours.

III. X Account Warm-Up SOP and Best Practices

Account warm-up should not be treated as a rigid checklist of repetitive actions. It can be divided into several stages, each with a different goal and activity level. This guide uses 21 days as a full warm-up cycle, with the first seven days treated as the most cautious period.

Stage 1: Initial Adaptation Period (Days 1-7)

Goal: Establish normal browsing behavior before beginning regular content publishing.

Suggested daily activity:

Browse the home feed and trending topics, search for a few topics of genuine interest, and read posts naturally.

Like 3-8 posts, leaving reasonable intervals between interactions.

Follow 5-10 accounts, prioritizing official accounts, news outlets, and relevant industry creators.

Leave 1-2 short, natural comments where appropriate rather than relying only on emojis.

Avoid aggressive activity during the first seven days, including heavy posting, unsolicited DMs, frequent external links, repeated profile changes, or coordinated engagement. Also avoid repeatedly changing security settings during any platform-imposed security cooldown period.

Stage 2: Light Activity Period (Days 8-14)

Goal: Gradually complete the profile and establish a basic content history.

At this stage, you can begin completing the profile, including the avatar, header image, display name, bio, and location. Activity can also increase gradually:

Like around 15-20 posts per day and leave 3-5 meaningful comments.

Follow around 15-20 relevant accounts per day.

Publish one original post every other day, using text or images without adding external links.

Repost a small number of relevant posts and add your own perspective when appropriate.

Stage 3: Mature Activity Period (Day 15-21 and Beyond)

Goal: Build a more established account history and gradually expand normal activity.

Publish 1-3 posts per day and keep hashtags limited to roughly 1-3 per post.

You can begin testing posts with external links, while keeping the frequency moderate.

Use DMs primarily with people who have already interacted with the account, and avoid mass-messaging strangers from a new account.

Keep the login environment and overall activity pattern stable.

Once the account enters a stable operating phase, continue publishing at a consistent pace, such as 2-3 updates per week. Participate in relevant industry discussions and interact naturally with creators in your target niche to build followers and influence over time.

IV. FAQ

Q1: Why can a newly registered account be asked to verify itself or become restricted before I have done much?
A: The platform may request verification or apply restrictions based on a combination of network, device, account, and behavioral signals. Follow the verification instructions shown by X and avoid repeatedly retrying actions in a short period.
Q2: Can multiple X accounts use the same IP address?
A: Reusing the same environment across many accounts can make account management more difficult and may create shared points of failure. For legitimate multi-account operations, keep account access organized and use stable, consistent environments for each account.

Q3: What should I do if an account appears to be reach-limited or is asked for phone verification?
A: Stop any automation or unusually high-frequency activity. Complete the verification steps requested by X, then keep activity light for the next 48-72 hours and resume normal use gradually.

V. Conclusion

Registering an X account is not difficult. What matters more is how the account is managed afterward. A sustainable approach can be summarized in three principles: keep the environment stable, avoid overly aggressive marketing activity, and build account history gradually.

For long-term operation, consistency matters more than rapid activity. Maintain a stable login environment, follow normal user behavior, and increase posting and engagement gradually. This creates a stronger foundation for future social media operations.

Claude Code MCP Setup Guide: 3 Ways to Configure & Fix Errors

IPFoxy — Wed, 23 Sep 2026 09:39:37 +0000

Although Claude Code can complete tasks such as code writing and file operations, it still needs external tools to expand its capabilities in scenarios like browser automation, database queries, and GitHub operations. MCP (Model Context Protocol) is precisely the protocol that connects Claude Code with external tools. This article will introduce the role of MCP, Server selection, 3 configuration methods, and common error troubleshooting.

I. Why Does Claude Code Need MCP?

MCP (Model Context Protocol) is an open protocol connecting AI applications, external tools, and data sources. Claude Code itself can perform tasks like code writing and file handling, while through MCP, it can further access external capabilities such as browsers, databases, and code repositories.

From the perspective of working principles, Claude Code is responsible for understanding user needs and determining whether to call external tools, while the MCP Server is responsible for providing specific capabilities. Upon receiving a call request, the Server executes the corresponding operation and returns the result to Claude Code. In this way, different tools can be connected according to a unified protocol without building separate connection mechanisms for each tool.

Currently, there are two main common transmission protocols for MCP:

stdio: Communicates through standard input and output, usually used for locally running MCP
Servers. HTTP: Communicates with remote MCP Servers through HTTP, suitable for services already deployed on servers.

After understanding the transmission protocol of MCP, choosing an MCP Server can be distinguished according to the actual capabilities provided:

Therefore, when choosing MCP, there is no need to blindly pursue quantity. First clarify the capabilities that need to be expanded, and then choose according to the function and running environment of the Server.

II. 3 Common Methods to Configure MCP in Claude Code

Method 1: Add HTTP MCP Server via Command Line

HTTP MCP Servers are usually already deployed in remote environments, and Claude Code only needs to connect to the corresponding service address without installing and starting the Server locally. For beginners, this method has fewer configuration steps and is suitable for quickly connecting to an already set up MCP service.

The basic command executed in Claude Code is as follows:

claude mcp add --transport http <MCP_service_URL>

If the service requires identity authentication, you can use --header to add a Token:

claude mcp add --transport http my-server https://example.com/mcp --header "Authorization: Bearer YOUR_TOKEN"

After adding, type /mcp in Claude Code to check if the Server appears in the list and confirm the connection status. If the connection is not successful, it is recommended to check in the order of MCP address, authentication information, network connection, and remote Server status. First confirm that the service address itself can be accessed normally, and then troubleshoot the configuration issues of Claude Code, which can avoid repeatedly modifying commands.

Method 2: Add stdio MCP Server via Command Line

If the MCP Server needs to run locally, you can use the stdio method. Claude Code will start the corresponding program and communicate with the Server through standard input and output, so local tools like npx, uvx, Node.js, and Python can all adopt this method.

First add the Server according to the following format:

claude mcp add --transport stdio -- <startup_command> [arguments]

The -- here is used to distinguish between Claude Code's own parameters and the startup parameters of the MCP Server. When configuring, ensure that the startup command is already installed and can be executed normally in the current terminal environment.

Taking Playwright MCP as an example, you can directly execute:

 claude mcp add --transport stdio playwright -- npx @playwright/mcp@latest

After the configuration is complete, you can check whether the Server is connected normally through /mcp. If browser automation tools like Playwright MCP are further used for data collection, what truly needs attention is not just whether the browser can open web pages, but also the anti-scraping mechanisms of target sites.

Websites usually judge whether access is abnormal based on request frequency, access behavior, cookies and session states, browser fingerprints, and network outlets. Situations like CAPTCHAs, restricted access, and failed page loading may occur. These restrictions directly affect collection efficiency and data integrity, and more seriously may lead to account suspension.

For scenarios that require automated data collection, you can configure dedicated residential proxies like IPFoxy in the browser or running environment. Compared with datacenter proxies, such proxies are closer to the network exit characteristics of real users, suitable for long-term stable collection tasks. They can reduce task interruptions or access anomalies caused by frequent network exit changes, lowering the probability of triggering anti-scraping mechanisms.

Method 3: Configure MCP Server via JSON

If you need to manage multiple MCP Servers at the same time, or want to include configurations in project collaboration, you can directly manage them through JSON files.

Claude Code mainly has two configuration scopes: project-level .mcp.json and user-level ~/.claude.json. Among them, .mcp.json is suitable for team collaboration, and the configuration can be unified and maintained with the project; ~/.claude.json is more suitable for personal use, allowing you to reuse your own MCP configuration across different projects.

The following is an example of project-level .mcp.json configuration: { "mcpServers":

{

  "mcpServers": {

    "playwright": {

      "type": "stdio",

      "command": "npx",

      "args": ["@playwright/mcp@latest"]

    }

  }

}

If you only want personal global use, you can configure it in ~/.claude.json: { "mcpServers":

{

  "mcpServers": {

    "playwright": {

      "type": "stdio",

      "command": "npx",

      "args": ["@playwright/mcp@latest"]

    }

  }

}

The difference between the two configurations lies mainly in the scope of action: project-level configuration is suitable for teams to unify tools and environments, while user-level configuration is suitable for long-term personal use. Regardless of which method is adopted, after completing the configuration, you can check whether the Server is correctly recognized by Claude Code through /mcp.

III. Claude Code MCP Configuration Failures: Common Issues and Solutions

MCP Connection 502 or Timeout

This type of issue mainly occurs during the HTTP MCP connection process. Common causes include incorrect MCP address, remote Server anomaly, invalid authentication information, and local network unable to access the target service normally.

You can check in the following order:

Confirm whether the MCP URL is filled in correctly, and try to access it in a browser or terminal.
Check whether authentication information such as Token and Header is valid. Confirm whether the remote MCP Server is currently running normally.
Rule out connection problems caused by local network, firewall, or proxy.

If the target MCP is a remote HTTP service and the current environment needs to connect via stdio, you can use mcp-remote as a bridge layer to forward local stdio requests to the remote MCP. However, if the remote service itself returns 502, it still needs to be handled on the server side.

npx ENOENT Error on Windows

ENOENT usually indicates that the system cannot find the specified executable file. When Claude Code calls npx on Windows, if Node.js is not properly installed, PATH is not configured, or Shell fails to get the correct environment variables, this error may occur.

First execute in the terminal:

npx --version

If it cannot run, recheck the installation of Node.js and npm, as well as the PATH configuration; if the terminal can run normally but Claude Code still reports an error, check the Shell and environment variables used by Claude Code. If necessary, you can switch to using node to directly start the MCP Server, bypassing the npx call.

uvx ENOENT

Appears Similar to npx ENOENT, this error usually means that Claude Code cannot find the uvx executable file. Common reasons are that uv is not installed or the installation directory is not added to the system PATH.

First execute:

uvx --version

If the command does not exist, install uv and add its directory to PATH. After modifying environment variables, reopen the terminal and restart Claude Code, then check whether MCP can start normally.

Showing "No MCP servers configured"

This prompt usually means that Claude Code did not read a valid MCP Server configuration, rather than a Server connection failure. Common reasons include the Server not being successfully added, the configuration file location being incorrect, or JSON format issues.

First confirm whether the MCP Server has been added, then check whether .mcp.json or ~/.claude.json is in the correct position, and check fields such as mcpServers, type, command, and args. Restart Claude Code after modification and run /mcp to view the Server status.

If it is Windows + Playwright MCP, you should also focus on checking npx, Shell, and stdio communication. If npx runs normally but the Server still fails to start, you can try using Node.js to directly execute the entry file of Playwright MCP.

IV. FAQ

How to check if MCP is configured successfully in Claude Code?

Enter Claude Code and run /mcp to view configured MCP Servers and their connection statuses.

Can Claude Code configure multiple MCP Servers at the same time?

Yes. Claude Code supports configuring multiple MCP Servers, and different Servers can provide different tool capabilities. In actual use, it is recommended to select according to task requirements to avoid increasing management costs by configuring too many irrelevant tools.

Why can't Claude Code call the MCP Server after configuration?

In addition to connection status, you also need to check whether the Server actually provides the corresponding tool and whether tool dependencies are completely installed. You can first confirm the connection through /mcp, and then check the Server's startup command, running environment, and specific tool permissions.

V. Summary

The core of configuring MCP in Claude Code lies not in memorizing commands, but in choosing a suitable configuration scheme based on how the Server runs. Prioritize HTTP for remote services, stdio for local tools, and JSON file management for long-term personal use or team collaboration.

When encountering operational anomalies, troubleshooting step by step in the order of configuration, dependencies, Shell environment, network connection, and Server status will allow you to locate problems faster and complete fixes.

Selenium Web Scraping with Python: Tutorial & Anti-Scraping Guide

IPFoxy — Tue, 22 Sep 2026 10:21:03 +0000

Selenium is well suited to modern web data collection because many websites now rely heavily on JavaScript to load content dynamically. Traditional tools such as requests work best when the required data is already present in the HTML response, but a simple HTTP request may not return the complete content of a JavaScript-rendered page.

Selenium can simulate a real browser workflow: open a page -> load JavaScript -> simulate clicks or scrolling -> retrieve dynamic content -> extract data.

However, Selenium-based web scraping can also encounter CAPTCHAs, rate limits, IP restrictions, and other access controls. This guide starts with the basics, then explains common anti-scraping mechanisms and compliant approaches for improving stability.

I. Selenium Web Scraping vs. Traditional Scraping: What Is the Difference?

Traditional scraping tools such as requests are better suited to directly requesting HTML pages and parsing the static content returned by the server. This approach is fast and resource-efficient, but it has one major limitation: it cannot execute JavaScript or retrieve content that appears only after client-side rendering.

Selenium works differently. It is essentially a browser automation tool that can drive real browsers such as Chrome and Firefox through the following workflow:

Open a page -> wait for JavaScript to run -> simulate clicks, scrolling, or input -> retrieve the fully rendered DOM -> extract data

The trade-off is clear: launching and controlling a browser consumes more memory and CPU, and collection is much slower than with requests. In real projects, a practical rule is to use requests whenever the required data can be obtained directly, and use Selenium only for pages that require dynamic rendering or browser interaction.

II. How to Set Up a Selenium Scraping Environment

Setting up a Selenium development environment is straightforward and requires only three main steps:

1. Install Python

Make sure Python 3.8 or later is installed on your local machine.

2. Install Selenium

Install the latest Selenium 4 package with pip:

pip install selenium

3. Configure Chrome WebDriver

In older Selenium versions, developers had to manually download a chromedriver executable that exactly matched the locally installed Chrome version.

Starting with Selenium 4.6.0, Selenium Manager is built in. When your code runs, Selenium can detect the installed browser version and obtain the matching WebDriver automatically, so manual driver configuration and environment-variable setup are usually unnecessary.

III. How to Use Selenium for Basic Web Data Collection

The following examples demonstrate the core Selenium workflow.

1. Open a Web Page and Extract Data

from selenium import webdriver
from selenium.webdriver.common.by import By

# Initialize Chrome (Selenium Manager handles the driver dependency)
driver = webdriver.Chrome()

try:
    # 1. Open the target page
    driver.get("https://example.com")
    print(f"Page title: {driver.title}")

    # 2. Retrieve a page element
    heading = driver.find_element(By.TAG_NAME, "h1")
    print(f"H1 text: {heading.text}")
finally:
    # Always close the browser after collection to release resources
    driver.quit()

2. Simulate User Interactions: Clicking and Scrolling

In real-world collection tasks, data may be hidden behind pagination controls, load-more buttons, or infinite-scroll areas:

# Simulate clicking a button
button = driver.find_element(By.CSS_SELECTOR, "button.load-more")
button.click()

# Scroll to the bottom of the page
driver.execute_script("window.scrollTo(0, document.body.scrollHeight);")

3. Wait for Dynamic Content to Load

Avoid extracting data immediately after a page opens. Dynamic pages need time to load, and querying elements too early can result in a NoSuchElementException.

Not recommended: time.sleep(). Fixed pauses can waste time and may still fail when network conditions fluctuate.
Recommended: explicit waits with WebDriverWait. An explicit wait sets a maximum waiting time and repeatedly checks whether a target element is present or visible. Execution continues as soon as the condition is met.

from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

# Wait up to 10 seconds for the target element to appear
element = WebDriverWait(driver, 10).until(
    EC.presence_of_element_located((By.CSS_SELECTOR, ".product-list-item"))
)
print("Dynamic content has loaded. Starting parsing...")

IV. Why Does Selenium Scraping Commonly Trigger Anti-Scraping Controls?

When a website detects a large number of repetitive requests from the same source within a short period, it may apply different access controls. Common symptoms include CAPTCHAs, abnormal page loading, HTTP 403 responses, rate limiting, temporary blocks, or content that differs from what normal users receive.

Anti-scraping systems typically evaluate multiple signals rather than relying on a single indicator. Common detection dimensions include:

1. Request Frequency

A large number of visits to the same page in a short period can easily trigger rate limits. This is one of the most basic and common restriction mechanisms.
**

IP Reputation and Traffic Source**

When many requests originate from the same egress address, restrictions may be more likely. Data center IPs may also have different reputation characteristics from residential IPs and can be flagged more readily by some target sites.

3. Browser Environment

Websites can use JavaScript to inspect browser characteristics. One important signal is navigator.webdriver: in a normal browser it is typically undefined, while in a Selenium-controlled browser it may be true. Sites may also inspect other automation-related signals, including:

User-Agent: some headless browser configurations may expose a HeadlessChrome identifier.
CDP traces: Selenium controls Chrome through the Chrome DevTools Protocol, which can leave automation-related serialization patterns.
Selenium-related global variables: ChromeDriver may inject variables with cdc_ prefixes into the window scope, and detection scripts may inspect these names.
Browser fingerprint differences: an automated session may report unusual screen dimensions, missing GPU-rendering information, or timezone/language settings that do not match the IP geolocation.

4. Behavioral Patterns

Fixed-interval browsing, opening many pages continuously, and the absence of normal mouse movement or scrolling can collectively become abnormal-access signals. Modern anti-abuse systems may analyze movement paths, click timing, scrolling speed, and other behavioral characteristics.

V. What to Do When a Selenium Scraper Encounters Access Restrictions

The goal here is to reduce the likelihood that compliant automated collection triggers access restrictions, rather than to aggressively defeat anti-scraping systems. In production projects, restrained and policy-compliant collection is safer and usually produces more stable data quality.

1. Use a Proxy Service

If a legitimate business workflow requires large-scale collection of publicly available web data, relying on a single network egress point for a long period may become a limiting factor. In that case, different collection tasks can be distributed across different network routes through a proxy service.

IPFoxy provides residential, data center, and mobile proxy services across global locations for scalable data-collection scenarios.

A basic proxy configuration example is shown below:

import urllib.request

if __name__ == "__main__":
    proxy = urllib.request.ProxyHandler({
        "https": "username:password@gate-ipfoxy.io:44001",
        "http": "username:password@gate-ipfoxy.io:44001",
    })
    opener = urllib.request.build_opener(proxy, urllib.request.HTTPHandler)
    urllib.request.install_opener(opener)
    content = urllib.request.urlopen("http://www.ip-api.com/json").read()
    print(content)

2. Control Request Frequency and Add Reasonable Timing Variation

Real browsing behavior naturally includes pauses. Automated scripts should use reasonable delays instead of sending requests at a fixed millisecond-level cadence. Extending intervals according to the target site’s capacity is both more respectful of the server and less likely to trigger rate-based controls.

3. Reduce Unnecessary Automation Signals

Selenium can expose automation-related characteristics in its default configuration, such as navigator.webdriver. Where permitted, configuration can be adjusted so the browser environment more closely resembles a standard browsing session and avoids unnecessary false positives from basic automation detection.

4. Reduce Unnecessary Page Resource Loading

For data-extraction tasks, nonessential resources such as images, videos, or animations can be disabled when appropriate. This can improve rendering and parsing efficiency while reducing bandwidth and proxy-traffic consumption.

5. Reuse Sessions and Credentials

For public-data pages that require authentication, reuse established cookies or session credentials where appropriate instead of repeatedly creating a new environment or logging in on every run. This can reduce unnecessary security checks and improve workflow stability.

VI. Conclusion

Selenium provides a powerful and intuitive approach to collecting data from modern, dynamically rendered websites. In production-grade data-collection systems, however, browser automation alone is rarely enough for complex network conditions. Combining appropriate waiting strategies, efficient browser configuration, and distributed proxy routing - while respecting the target website’s policies and service capacity - can help create a more efficient, stable, and sustainable collection workflow.

2026 4G/5G Mobile Proxies: How to Choose the Right Proxy for Your Business

IPFoxy — Mon, 21 Sep 2026 12:06:15 +0000

In e-commerce, social media multi-account management, and mobile data collection, proxy quality directly affects risk control and connection stability. Choosing a mobile proxy should not be based only on the number of IPs or price. Network source, location coverage, rotation options, stability, and other factors should also be considered.

This article covers four aspects of 4G/5G mobile proxies: their basic characteristics, key selection criteria, suitable use cases, and practical setup methods.

I. What Is a 4G/5G Mobile Proxy? How Is It Different from Other Proxies?

A 4G/5G mobile proxy is a proxy service that uses mobile networks. Its IP addresses come from mobile networks rather than data centers or residential broadband networks. Compared with standard data center proxies, mobile proxies are better suited to scenarios that require a real mobile network environment, specific geographic locations, or mobile network testing.

In addition to mobile proxies, common proxy types include data center proxies and residential proxies. They differ mainly in their IP sources and typical use cases.

Data center proxies mainly come from data centers or cloud servers and generally offer fast speeds and large resource pools.

Residential proxies come from home broadband networks and provide a network environment that is closer to typical residential users.

Mobile proxies come from mobile networks and have 4G/5G mobile network characteristics.

II. How to Choose a 4G/5G Mobile Proxy?

Check the IP Source: Is It from a Real Mobile Network?

When choosing a 4G/5G mobile proxy, first check the IP's network source. IP detection tools can be used to check the ASN, ISP, network type, and mobile carrier associated with an IP and determine whether it has genuine mobile network characteristics.

If an IP comes from a mobile network, the network type in the detection results will usually be listed as Mobile or Mobile ISP. The ISP identifies the network service provider associated with the IP, while the Mobile Carrier can further identify the specific mobile operator. ASN can also help determine which network organization the IP belongs to.

Check IP Location Coverage

Determine the required country, region, or city based on your business needs, then check whether the proxy provider offers IP resources in the required locations.

If you only need mobile IPs from a specific country, focus on resource availability in that location. For localized testing or ad verification, also check whether city-level targeting is supported.

Check the IP Rotation Method

Different businesses have different requirements for IP persistence. Therefore, choose a mobile proxy rotation method based on how the proxy will be used.

Common options include:

Rotating per request: The IP changes after each request, making it suitable for scenarios that require frequent IP changes.
Sticky session: The same IP is maintained for a specified period, making it suitable for scenarios that require a continuous connection to the same network environment.
Manual refresh: The current IP can be changed manually based on business requirements.

There is no need to simply pursue a higher rotation frequency. The rotation method should match the required IP continuity and change frequency.

Check Stability and Connection Success Rate

Stability directly affects the actual performance of a proxy.

Key factors to consider include:

Connection success rate
Response time
IP availability
Long-term performance

If the provider offers data such as success rates, request counts, or traffic usage, these metrics can also be used to evaluate proxy quality.

Before large-scale deployment, test proxy nodes in the target location and determine the appropriate usage volume based on the actual results.

Check Proxy Protocols

The proxy protocol determines how the proxy connects to browsers, software, or scripts.

Common protocols include HTTP/HTTPS and SOCKS5. Different devices and tools may support different protocols. For example, some cloud phone environments require SOCKS5, while other tools may support HTTP proxies.

Before purchasing, make sure that the proxy protocol is compatible with the target device or business tool.

Check the Pricing Model

Different proxy providers may use different pricing models, including billing by traffic, IP count, or subscription period.

When comparing options, calculate the cost based on actual usage instead of comparing unit prices alone. For example, data collection usually requires close attention to traffic consumption, while long-term use should take both subscription periods and resource costs into account.

III. What Business Scenarios Are 4G/5G Mobile Proxies Suitable For?

Different businesses have different network requirements. The main characteristics of 4G/5G mobile proxies are their mobile network environment and ability to change IPs dynamically. They can be used in the following scenarios.

Multi-Account Social Media Management

Platforms such as Facebook, Instagram, TikTok, and X have strict risk control systems. If multiple accounts continuously share the same fixed IP or use commonly detected data center IPs, the platform may identify the activity as abnormal or automated, potentially triggering restrictions, account verification, or other risk control measures.

Mobile IPs come from mobile networks used by mobile devices. Dynamic mobile proxies can provide different mobile IPs for different accounts, creating a network environment closer to mobile users and reducing IP-based account association risks.

Mobile Ad Verification and Anti-Fraud

Advertisers need to verify whether ads are displayed correctly across different countries, cities, and mobile carriers such as AT&T and Vodafone. They also need to identify potential traffic fraud, such as abnormal traffic or manipulated requests. Standard fixed networks cannot fully reproduce different mobile network environments.

Dynamic 4G/5G mobile proxies allow testers or automated systems to switch between mobile networks in different target locations. This makes it possible to access ad pages from a local mobile network environment and verify ad display, geographic targeting, landing page redirects, and billing logic.

App Testing and User Experience Optimization

Apps may experience connection failures, slow loading, or functional issues under different mobile networks, locations, and carrier environments. A fixed broadband connection cannot fully reproduce the complexity of mobile network conditions.

By using 4G/5G mobile IPs from different locations and carriers, developers and QA teams can build realistic mobile network testing environments, reproduce connection issues, and improve App stability and user experience across different mobile networks.

Data Collection and Anti-Bot Environments

Many major platforms, including e-commerce and social media websites, use anti-bot systems that may restrict or block data center IPs. Mobile networks may use CGNAT (Carrier-Grade NAT), where multiple mobile devices share the same public IP address.

Dynamic mobile proxies can therefore provide a mobile network environment for data collection. Combined with automatic IP rotation, they can support data collection across multiple locations and help handle websites with stricter anti-bot measures.

Market Research and Competitor Monitoring

Many e-commerce platforms, flight and hotel booking websites, and Apps may adjust pricing, recommendations, and promotions based on the user's location and network type.

Using 4G/5G mobile IPs from different target locations allows businesses to simulate local mobile network access and compare pricing, promotions, and page displays across different markets. This can provide data for competitor analysis and pricing strategies.

IV. How to Use a 4G/5G Mobile Proxy

After selecting a proxy, the actual setup process can generally be divided into four steps: obtaining proxy information, setting the rotation method, configuring the proxy, and testing the connection.

Obtain Mobile Proxy Information

After purchasing a mobile proxy, generate the required proxy connection based on the target location and usage requirements. The connection information usually includes the host, IP, port, username, and password.

For example, with the IPFoxy mobile proxy service, you can select the proxy type, location, rotation method, and number of proxy lines when generating a dynamic proxy, and then generate the corresponding proxy information.

If you use a proxy provider such as IPFoxy that provides an API, you can also obtain proxy addresses through the API for batch requests and management.

Set the Proxy Rotation Mode

Choose the appropriate rotation method based on your business requirements.

When generating a mobile proxy, you can select a sticky session or rotation per request. If you need to keep the same IP for a certain period, select a sticky session and specify the session duration. If you need to change IPs frequently, choose rotation per request.

Some mobile proxies also support customizable sticky session durations to meet different session requirements.

Configure the Proxy on the Target Device

After obtaining the proxy information, configure it according to the actual usage environment.

Common methods include:

Browser: Enter the IP, port, and authentication information in the proxy settings of a browser or Anti-detect browser.

Scripts: Configure proxy parameters in Python, PHP, Java, Go, or other programming languages.

Mobile devices or cloud phones: Configure the proxy according to the protocols supported by the device.

For ad verification or automation scenarios, you can also configure an IPFoxy proxy using a Python script as shown below:

`import urllib.request

if name == 'main':
proxy = urllib.request.ProxyHandler({
'https': 'username:password@gate-ipfoxy.io:44001',
'http': 'username:password@gate-ipfoxy.io:44001',
})
opener = urllib.request.build_opener(proxy,urllib.request.HTTPHandler)
urllib.request.install_opener(opener)
content = urllib.request.urlopen('http://www.ip-api.com/json').read()
print(content)`

Test and Verify the Proxy

After configuration, do not immediately deploy the proxy at scale. First, check the current IP's location, carrier, and network type to confirm that the proxy meets your requirements.

Then access the actual business target and test the connection success rate, response speed, and IP availability. If the results meet your requirements, gradually increase the usage volume.

V. FAQ

What Is the Difference Between a 4G/5G Mobile Proxy and a Residential Proxy?

The main difference is their network source. Residential proxies usually come from home broadband networks, while mobile proxies come from mobile networks. As a result, they provide different network environments and IP characteristics.

How Should I Choose Between a 4G and 5G Mobile Proxy?

The choice depends on your business requirements. If a specific mobile network environment is required, prioritize the target network type, location coverage, and actual test results rather than simply comparing 4G and 5G.

What Should I Test Before Using a Mobile Proxy?

You can test the IP location, carrier, network type, connection success rate, and response speed to confirm that the proxy meets your actual requirements.

VI. Conclusion

When choosing a 4G/5G mobile proxy, consider factors such as IP source, location coverage, rotation method, stability, proxy protocol, and pricing model.

After selecting a proxy, choose the appropriate rotation method based on the business scenario and complete the proxy acquisition, configuration, and testing process.

For different use cases such as ad verification, App testing, data collection, and market research, prioritize the location, network environment, and IP resources that match your actual requirements instead of focusing only on IP quantity or price.

How to Open a TikTok Shop: Complete Onboarding Guide & Multi-Account Setup

IPFoxy — Mon, 21 Sep 2026 10:19:56 +0000

Thinking about launching a TikTok Shop? The main challenge goes beyond registration—it lies in selecting the right shop model, preparing compliant documentation, and maintaining a stable operating environment. Onboarding requirements and fulfillment rules vary across different markets. This comprehensive guide breaks down the process into four key areas: business model selection, the onboarding process, audit pitfalls, and multi-account operations to help beginners get started smoothly.

I. How to Choose the Right TikTok Shop Model?

TikTok Shop Models

TikTok Shop models are mainly divided into non-local shops and local shops. The core difference lies in the operating entity and the degree of localization: non-local shops are better suited for expanding into target markets using existing supply chains, while local shops place greater emphasis on local operations, warehousing, and fulfillment capabilities.

Compared to non-local shops, local shops are closer to local business scenarios and offer distinct advantages in local content distribution, creator collaboration, and customer conversion. Specific traffic and promotional benefits depend on current site rules.

Here is a quick comparison of the core differences:

TikTok Shop Operating Modes

Once you determine your shop type, choose a specific operating mode based on how much operational work you want to handle and your team's capabilities.

Fully-Managed Mode: Sellers mainly focus on product supply, while the platform handles operations and fulfillment. Ideal for sellers looking to reduce operational overhead.
Semi-Managed Mode: The platform and sellers share operations, warehousing, or fulfillment responsibilities. Ideal for sellers wanting a balance between efficiency and control.
POP (Platform Open Plan): Sellers independently manage products, content, promotion, orders, and customer service. Ideal for teams with full operational capabilities. Creator Affiliate: A post-launch promotional strategy that leverages content creators to bring products into short videos and live streams, driving supplementary traffic to the shop.
Selection tip: Choose managed modes to lower operational workload; choose POP for full store control; and combine with Creator Affiliate to boost content traffic after opening the shop.

II. A Step-by-Step Guide to TikTok Shop Onboarding for Beginners

Step 1: Confirm Eligibility and Prepare Required Documents

Visit the TikTok Shop seller onboarding page for your target market to check current shop types and requirements, then prepare the necessary documentation. Common materials include business licenses, owner/legal representative ID proofs, contact details, proof of address, and payment accounts. Requirements vary by target market.

Focus on three key checks before submission:

Information Consistency: Ensure the company name, legal representative name, and registered address match the identity documents and application details.
Document Clarity: Ensure documents are complete, valid, and legible. Avoid blurry, cropped, or expired files.
Payment Matching: Verify payment account requirements in advance to prevent audit issues caused by mismatched entity or account details.

Step 2: Maintain a Stable Registration and Operational Environment

If you plan to launch a TikTok Shop local store, pay special attention to the quality of your network connections. Unclean IP addresses or frequent IP drifting can cause a loss of local organic traffic, trigger extra verification checks, increase onboarding uncertainty, or even lead to account suspension if flagged as a fake account.

For long-term operations, it is recommended to use dedicated static residential proxies or ISP proxies matched to your target market for higher stability. Shared proxies offer lower costs but harder-to-control environments; data center proxies are better for public data scraping; while dedicated static residential proxies are ideal for long-term account management.

For sellers running TikTok Shop local stores long-term, the platform heavily scrutinizes network authenticity. Building an environment using a dedicated IP paired with a dedicated device environment is highly recommended. Utilizing native dedicated static residential proxies provided by IPFoxy—which originate from clean residential ISP networks with high trust scores—and configuring them into an Anti-detect browser environment will significantly enhance account stability. Avoid frequent device switches or logging in across multiple devices.

Step 3: Submit Application and Await Review

Log in to the Seller Center, fill in the required business entity, store, and contact information, and upload the corresponding documents. If the platform requests identity verification, selfies, or additional documents during the process, follow the prompts accordingly.

Re-check all core information before final submission. Once submitted, wait patiently for the review result. Avoid creating multiple identical applications out of impatience.

Step 4: Common Rejection Causes and Solutions

If your application is rejected, do not re-submit immediately. Review the specific rejection reasons provided by the platform first. Common issues include inconsistent information, unclear or expired IDs, incompatible payment accounts, failed identity checks, or entities not meeting target market eligibility.

Troubleshoot in the following order:

Review the audit feedback: Identify whether the issue lies in documents, entity details, payment setup, or identity verification.
Verify original documents: Check names, addresses, ID validity dates, and other details.
Fix specific issues: Avoid making unnecessary changes to unrelated documents.
Resubmit: Ensure all materials are complete and accurate before submitting again.

Step 5: Activate Shop and Complete Store Setup

Once approved, follow the Seller Center instructions to complete basic configurations, including payment account setup, security deposit (if applicable), logistics options, and return addresses.

Next, link a compliant TikTok account, and proceed with product listing, store customization, content preparation, and creator affiliate setups. Gradually increase product inventory and marketing investment only after all basic configurations are verified to prevent operational bottlenecks. Once these setups are confirmed, your TikTok Shop can officially enter the daily operational stage.

III. TikTok Shop Onboarding: 3 Essential Preparations for Beginners

Multi-Account Management and Anti-Association

When operating multiple TikTok Shops, manage them using a "one shop, one environment" strategy. Each store should correspond to a unique TikTok account, business entity, Anti-detect browser profile, device, and network exit point. Avoid sharing accounts, browser caches, or network connections across multiple stores.

In practice, configure the aforementioned IPFoxy proxies into isolated environments within an Anti-detect browser. Establishing a strict "one account, one proxy, one operating environment" mapping reduces risk from cross-contamination between stores. Once configured, maintain the original setup for daily logins, product management, and routine operations without constantly changing the browser profile, device, or proxy exit point.

Product Selection and Basic Listing Optimization

Avoid listing huge numbers of products right away. Start with a curated selection of products backed by strong supply chain advantages and clear market demand to test the market. Before publishing, review titles, main images, descriptions, pricing, inventory, and logistics settings, ensuring products comply with local restricted items rules. Monitor exposure, clicks, add-to-cart rates, and conversion metrics after launching to optimize winning items and adjust underperforming ones promptly.

Content Strategy and Traffic Generation

After listing products, focus on traffic testing and order fulfillment. Beginners can start with short videos, then test live streaming and creator promotions to identify effective traffic channels before scaling up investment.

Simultaneously, finalize your fulfillment, warehousing, logistics, and return processes in advance. Track shipping timelines closely to ensure account health and customer satisfaction are not impacted by fulfillment issues.

IV. FAQ

What should I do if my TikTok Shop application is rejected?

First, review the specific rejection reason. Focus on checking entity information, identity documents, addresses, and payment details. Avoid submitting duplicate applications in a short period.

Can one TikTok Shop be linked to multiple TikTok accounts?

Rules differ between official accounts and marketing accounts. Usually, only one official account can be linked, while the limit on marketing accounts depends on target market rules and current Seller Center policies.

What should I keep in mind when running multiple TikTok Shops?

Focus on isolating and matching business entities, TikTok accounts, devices, Anti-detect browser profiles, and proxy environments for each store, while strictly abiding by platform policies regarding multi-store operations and identity verifications.

V. Conclusion

Beginners can approach TikTok Shop onboarding through a clear workflow: "determine shop type, choose operating mode, prepare documents, stabilize network environment, submit application, activate store, and manage products." Speed should not be the sole objective—business entity details, payment processing, proxy quality, and fulfillment setups must be verified early on. When expanding into multi-account operations, maintaining strict compliance across accounts and browser environments remains critical for long-term success.

What Is Proxy IP Purity? 3 Ways to Check IP Quality & Risk Scores

IPFoxy — Sun, 20 Sep 2026 10:07:00 +0000

Proxy IP stability depends on more than just whether it can successfully connect—proxy IP purity is equally crucial. In operational scenarios such as account registration, shop management, and ad verification, an IP historical abuse records, risk scores, and geolocation can all directly influence platform risk evaluations. This article examines key aspects of proxy IP purity, explains how to check and test it, and helps you determine whether an IP meets your operational requirements.

I. Why Is Proxy IP Purity Essential?

Proxy IP purity primarily reflects the usage reputation and risk status of an IP address when serving as a network exit node. If an IP has been heavily shared among multiple users or carries extensive abnormal activity logs, target platforms may categorize traffic from that IP as high-risk, leading to obstacles during account registration, login, data access, or other automated actions.

Looking at proxy resource types, proxy attributes do not automatically equal proxy quality:

Free / Shared Proxies: Shared simultaneously by multiple users, leading to complex usage environments and unpredictable historical records.
Datacenter Proxies: Typically carry distinct hosting or data center network tags, which many online platforms easily identify.
Residential Proxies: Assigned from ISP subnetworks closer to standard home broadband. Certain dedicated options offer fixed single-user allocation, making them ideal for tasks requiring high network stability.

However, proxy type alone does not dictate absolute IP purity. Even with residential proxies, you must verify whether the IP is dedicated, whether it has been recycled, and whether it holds past risk flags.

For operations demanding higher network quality, a dedicated static residential proxy is an ideal exit node. For example, IPFoxy provides dedicated static residential proxy resources that allocate IP exclusively to one user for long-term use. This design minimizes multi-user overlap, reduces the risk of shared abuse, maintains high purity and domain reputation, and shields your setup from the instability or sudden platform risk controls associated with shared or frequently rotated IP.

II. Proxy IP Purity: 3 Core Dimensions and Detection Methods

To determine if a proxy IP fits your workflow, do not rely solely on a "clean" marketing label. You should run checks using specialized diagnostic tools alongside direct target platform testing. Below are common testing frameworks illustrated with live test cases using IPFoxy proxies.

1. Blacklists and Abuse Records

Blacklists and abuse records reveal whether an IP carries noticeable historical risk indicators. If an IP has been reported multiple times or logged for spam, port scanning, or malicious behavior, its overall trust rating is compromised.

You can check metrics like total report counts and recent abuse timestamps using platforms such as APIVoid and AbuseIPDB. Note that a single past entry does not automatically mean an IP is currently unusable; the overall count, recency, and nature of the logs matter far more.

When testing an IPFoxy proxy IP on AbuseIPDB, a risk score of 0 combined with an absence of recent abuse reports indicates low public risk signals in that database.

2. Fraud Risk and Reputation Scores

Fraud risk scoring focuses on evaluating whether an IP is currently flagged as a high-risk connection. Diagnostic services like Scamalytics and IPQualityScore inspect whether an IP is categorized as a Proxy, Tor node, or Hosting provider, combining IP reputation, Autonomous System Number (ASN) details, and historical logs to calculate an overall risk rating.

Testing an IPFoxy proxy IP on Scamalytics yields a Fraud Score below 10, signaling strong IP reputation and clean routing attributes.

Because evaluation formulas vary across security providers, focus less on minor score differences and more on major high-risk tags or whether multiple tools yield consistent assessment results.

Additionally, route traffic through the proxy to access your target platforms directly. Observing whether you encounter frequent CAPTCHAs, access blocks, or identity checks helps verify if real-world performance aligns with tool scores.

3. Historical Risk Trend

A single test only captures an IP's condition at a specific moment, but IP reputation shifts over time. If risk flags cluster within recent weeks or abuse reports spike continuously, the IP's overall trust status is likely degrading.

Therefore, alongside instantaneous scores, examine the timing, frequency, and trend of past flags to ensure long-term reputation stability—a crucial step in evaluating purity.

By querying tools like IPQualityScore (IPQS), AbuseIPDB, and Spamhaus, you can review abuse history, report frequency, and past proxy detection flags to see if risks are concentrated in recent periods.

An IP with a few isolated reports years ago differs significantly from one facing an ongoing wave of fresh abuse reports.

4. Real-World Platform Testing

While online tools provide diagnostic metrics, final validation must occur in your actual working environment. If an IP appears clean in automated tools but triggers constant errors on target websites, tool scores alone cannot justify using it.

1）Search Engine Behavior Checks

Take Google Search as an example: if search queries regularly trigger CAPTCHA prompts (such as image selection or reCAPTCHA challenges), Google likely views your IP's traffic patterns as automated or suspicious.

Switching to a different proxy and running the same test can help isolate whether the initial IP has underlying reputation issues.

2）Accessing High-Security Forums

Try loading platforms protected by strict Cloudflare security rules, such as BlackHatWorld or Reddit. If you repeatedly encounter "Checking your browser" loops or connection failures that clear up after switching proxies, your original exit node likely carries high risk sensitivity.

3）New Account Registration Tests

Attempt to create test accounts across platforms like Twitter, Instagram, or Gmail. Watch for frequent CAPTCHA prompts, immediate account suspensions after registration, or unusually complex verification steps. Consistent friction indicates the platform may have flagged the IP block.

A balanced evaluation approach uses 2–3 diagnostic tools for cross-verification + 1 live platform test. This limits unnecessary traffic exposure while ensuring test results accurately reflect real operational environments.

III. Which Scenarios Demand High Proxy IP Purity?

1. Multi-Account Registration and Long-Term Operation

Modern e-commerce and social media teams regularly manage numerous accounts across networks like TikTok, Facebook, and Amazon. Registering, logging into, and managing these accounts over time requires stable, predictable network connections. Using low-quality or abused IPs often leads to failed sign-ups or instant account bans because platform algorithms interpret the IP as untrusted or high-risk.

2. Data Collection and Price Monitoring

Web scraping and data collection involve sending high volumes of requests over short periods. If a proxy IP carries past abnormal access logs, target servers easily flag incoming requests as high-risk traffic, triggering CAPTCHAs, rate limits, or temporary IP bans.

For continuous tasks like price monitoring or web crawlers, high-purity proxy IPs minimize request failures caused by poor exit node reputation, keeping data ingestion pipelines stable.

3. Ad Verification and SEO Tracking

SEO tracking and ad verification require accurate simulations of organic user visits within target regions to inspect search rankings, ad placements, and localized landing pages. If the proxy IP carries high risk scores or poor reputation, advertising platforms or search engines may restrict visible output or mandate additional verification, leading to distorted market data.

IV. FAQ

Is a higher proxy IP purity score always better?

A high purity score is a strong positive reference, but you should not rely on a single score value. Different diagnostic platforms use distinct data feeds and scoring models. Always combine blacklist lookups, fraud ratings, IP classification tags, and geolocation parameters for a complete assessment.

Is a residential proxy IP guaranteed to be pure?
Not necessarily. "Residential" defines the network allocation category, not its usage history. A residential IP can still carry past abuse records, proxy detection flags, or security blacklists if previous users misused it.

Why do different IP check websites show conflicting results for the same IP?

Security databases rely on different data collectors, update frequencies, and risk algorithms. Variance in scores across platforms is normal; running cross-checks across multiple reputable databases gives the most reliable picture.

Why do target platforms still show CAPTCHAs when IP tests show normal scores?

IP purity is only one factor in security evaluations. Online platforms also analyze account activity history, request frequency, browser finger-printing, device environments, and user behavior patterns. A clean IP score alone does not guarantee a completely friction-free experience if other signals trigger security checks.

V. Summary

Evaluating proxy IP purity requires looking beyond a single risk score. You must assess blacklists, abuse history, fraud risk, long-term reputation trends, geolocation details, and network types together. In practice, cross-verify metrics using multiple diagnostic tools and validate performance directly on your target platforms. For long-term operations, review IP health periodically rather than treating a single initial check as a permanent guarantee.

Proxy Types Explained: Residential, Datacenter, Mobile, and More

IPFoxy — Thu, 17 Sep 2026 10:51:40 +0000

For cross-border eCommerce, social media account management, and large-scale data collection, proxies are essential infrastructure. However, with so many options on the market - residential, datacenter, mobile, dual ISP, rotating, static, and more - choosing the wrong proxy type can lead to linked-account bans, blocked data collection, or unnecessarily high costs.

This guide breaks down the main proxy types by network attributes, lifecycle, protocol, and functionality, with recommendations for different business scenarios.

I. Proxy Types by Network Attributes

Based on the source of the IP address and the organization announcing it, proxies can be divided into four main categories:
**

Residential Proxy**

These IP addresses are assigned to home broadband users by real Internet Service Providers (ISPs) such as AT&T, Comcast, and China Telecom.

Key features: Highly authentic. Target websites typically recognize the traffic as coming from regular residential users, resulting in very high success rates.

Limitations: Bandwidth depends on real home networks, so latency and bandwidth can fluctuate. Speed and stability are generally lower than datacenter proxies, with average latency often around 100-300 ms. Pricing is also significantly higher.

*2. ISP Proxy *

ISP proxies sit between residential and datacenter proxies. Their IPs are registered with an ISP, giving them a residential identity, but they are hosted in data centers. As a result, they offer datacenter-like speed with residential-like trust. ISP proxies are usually static and are also known as static residential proxies.

Two related terms are commonly used in the market:

Native IP: The registered location, ASN ownership, and actual geolocation of the IP are consistent, with no cross-border announcement to another region. A non-native IP, for example, may be registered in the US but actually geolocated elsewhere. Native IPs are often used when accurate local IP identity is critical.
Dual ISP: A common industry term for IPs whose ASN and Whois-registered organization both appear as an ISP rather than an IDC data center. Dual-ISP residential proxies generally resemble real broadband users more closely than standard residential proxies, offer cleaner IP resources, and cost more. Compared with single-ISP options, dual ISP typically carries higher trust in risk-control systems.

3. Datacenter Proxy

These IPs come from cloud providers such as AWS, Alibaba Cloud, and Google Cloud, or from large data centers.

Key features: High bandwidth, very low latency, stable connections, and low cost. However, because the ASN belongs to a data center, risk-control systems can identify the traffic more easily, which may lead to blocks or frequent CAPTCHA challenges.

Limitations: The ASN clearly points to a data center, making these proxies easier for target platforms to detect. On sites with strict risk controls, success rates may be only 40%-60%, with a higher chance of CAPTCHAs or rate limits. IP cleanliness can also be lower because the same IP range may be used by multiple users for scraping, load testing, or bulk messaging.

4. Mobile Proxy

These IPs are assigned to smartphones, mobile POS terminals, and other devices through cellular networks such as 3G, 4G, and 5G.

Key features: Mobile networks use CGNAT, where hundreds or thousands of devices may share the same public IP. Risk-control systems are therefore less likely to block mobile IPs. They offer very high anonymity and trust, but are also the most expensive option.

Limitations: Cost is the highest, while bandwidth per IP is usually limited - typically around 1-5 Mbps - making them less suitable for high-throughput workloads.

Professional proxy providers typically classify their IP resources in detail for different business needs. Well-known providers such as IPFoxy, Bright Data, and Decodo generally offer stronger quality and delivery capabilities.

II. Proxy Types by IP Lifecycle

Rotating and static describe whether an IP changes over time, which is independent of the IP type itself. This means you can have rotating residential proxies, static residential proxies, rotating datacenter proxies, static datacenter proxies, rotating mobile proxies, and more.

1. Rotating Proxy

Rotating proxies draw from an IP pool and change addresses on demand, either with each request or at set intervals such as every 5 or 10 minutes. For example, IPFoxy lets users set a sticky session duration when generating rotating proxy endpoints, so the rotation interval can be adjusted to match business needs.

Best for: Large-scale web scraping, public data collection, and eCommerce price monitoring, where rotating IPs can help reduce per-IP request frequency limits.

2. Static Proxy (Static / Dedicated IP)

A static proxy keeps the same IP assigned to the same device for an extended period. The address remains unchanged throughout the rental period and is usually paired with dedicated bandwidth.

Best for: Managing multiple cross-border eCommerce stores (Amazon, Shopee, eBay) and social media account portfolios (TikTok, Facebook), where frequent IP changes may trigger additional verification or account restrictions.

III. Proxy Types by Protocol and Function

1. Dedicated vS. Shared Proxies

Based on resource exclusivity, proxies can be divided into dedicated and shared options.

Dedicated proxy: Each user has a unique IP and full control over rotation frequency and usage. It offers higher stability and is not affected by other users' behavior. It is better suited to core business use cases, but costs more.

Shared proxy: The same IP is used by multiple users at the same time. It costs less, but stability is harder to control. Abuse by one user may cause the IP to be blocked, affecting everyone sharing it.

How to choose: For occasional use, limited budgets, and workloads with lower stability requirements, shared proxies can be a practical starting point. For long-term use or business-critical tasks, dedicated proxies are the better fit.

2. By Protocol: HTTP/HTTPS vS. SOCKS5

HTTP proxy: Designed for HTTP traffic. It is easy to configure and works well for standard web access and basic data collection.

HTTPS proxy: Supports encrypted connections over HTTP and is suitable for web access where secure data transmission is required.

SOCKS5 proxy: Operates at a lower level and does not interpret application-layer data. It supports both TCP and UDP and can handle HTTP/HTTPS, FTP, custom protocol traffic, video streaming, WebSocket connections, gaming, and other non-HTTP use cases.

For browser and web-based tasks, HTTP/HTTPS proxies are usually enough. If your workflow involves non-HTTP protocols or requires UDP support, SOCKS5 is the necessary choice. Different use cases require different protocol support, so it is best to choose a proxy service that lets you select the protocol you need.

IV. How to Choose a Proxy Type: Recommendations by Use Case

Multi-Store eCommerce and Social Media Account Management
Prioritize dedicated static residential proxies, ISP proxies, or native dual-ISP residential proxies. Accounts need a stable network identity over time, and frequent IP changes can trigger risk controls. Dedicated resources are recommended for core stores to avoid issues caused by shared IPs.
Large-Scale Data Collection
Choose rotating residential or datacenter proxies. Datacenter proxies are easier to identify, while residential and mobile proxies generally offer higher success rates.
Search Ranking Checks and Ad Verification
Choose rotating residential proxies or native residential proxies. Search engines and advertising platforms apply stricter controls to datacenter traffic, so a realistic user environment is important for accurate results. Mobile ad verification requires mobile proxies.
API Integrations and IP Whitelisting
Choose static proxies. Datacenter or ISP options can both work. A fixed IP is required for IP whitelisting.
Streaming and Localized Services
Prioritize native IPs, dual-ISP residential proxies, or ISP proxies. The registered location, ASN, and actual geolocation should match to pass platform geolocation checks.
Budget-Conscious, Low-Frequency Verification
Start with shared datacenter proxies to validate the workflow. Once the business logic is proven, upgrade to dedicated, residential, or mobile proxies based on actual risk-control requirements.

Selection principle: Start with the target platform's risk-control level, then determine whether your workflow requires a fixed identity, and finally consider budget and speed. Do not automatically choose the most expensive option, but do not sacrifice stability just to save money.

V. Conclusion

There is no single "best" proxy - only the one that best fits the use case. In practice, evaluate three factors: the target platform's risk-control level, identity requirements, and budget and speed. Combine proxy types when needed: use dedicated static residential or ISP proxies for core accounts, rotating residential or datacenter proxies for data collection and verification, and mobile proxies for mobile-specific tasks. Always choose reputable providers and use proxies legally and responsibly to avoid business risks caused by unclear IP sources or misuse.

Not Receiving 2FA Codes? Causes, Fixes, and Verification Guide

IPFoxy — Thu, 17 Sep 2026 10:10:30 +0000

After enabling 2FA (Two-Factor Authentication) on major platforms, users often run into issues such as missing verification codes, authentication failures, or repeated verification prompts when switching devices. The root cause is not always the code itself; it often involves the authentication method, account details, device status, and login environment. This article breaks down the practical solutions for 2FA verification across three core areas: verification mechanisms, strategies to boost pass rates, and troubleshooting common issues.

I. What Matters Most in Platform 2FA Verification?

The Core Logic of 2FA

2FA adds a second layer of identity verification beyond your account password. Depending on your security settings, platforms require verification through SMS, voice calls, authenticator apps, login prompts, Passkeys, or security keys.

The first layer verifies whether your password is correct, while the second layer confirms whether you own or control the bound verification method. Therefore, 2FA success depends not only on the code, but also on your pre-configured verification methods and current login status.

Critical Factors for 2FA Verification

Smooth 2FA execution relies primarily on your verification method, device status, and login environment. Although detection mechanisms vary across platforms, systems generally combine these data points to determine whether a login attempt is trustworthy:

Verification Method: SMS or voice calls require a phone line capable of receiving messages; virtual numbers depend on platform policy support; authenticator apps must be linked beforehand and kept active.
Device Status: Platforms assess session familiarity based on active device and browser profiles. Using a brand-new device, or frequently switching devices and browsers within a short period, can trigger additional verification.
Login Environment: Certain platforms evaluate login location, IP network egress, and historical session logs. Rapid shifts in network egress, significant deviations from historical locations, or flagged IP addresses can prompt extra identity checks.

2FA Methods and Key Verification Points Across Platforms

Supported 2FA methods and security protocols differ by platform:

II. How to Increase 2FA Verification Pass Rates

Maintain Stable Device and Network Environments

Network environment and device status are critical variables in 2FA outcomes. For long-term operations, keep a consistent device and browser setup, minimizing frequent switching or clearing of login states. On the network side, maintain a stable egress point and avoid low-quality shared routing or switching locations rapidly.

To maintain a reliable network egress during 2FA checks, use proxy IPs for network optimization. For example, deploying dedicated static residential proxies from IPFoxy provides a fixed egress for a specific account while allowing precise geographic targeting based on business needs. These proxies can also be configured within multi-account isolation tools like cloud phones or Anti-detect browsers. Paired with fixed device setups, this reduces environmental discrepancies caused by changing network egresses.

Note: Proxies serve to stabilize your login environment; they do not replace phone numbers, identity credentials, or other security checks required by the platform.

Complete Security Settings in Advance

While your account is accessible, fully configure all available backup authentication options rather than waiting until a device is lost or codes fail to arrive:

Verify that your phone number and email are correctly linked and able to receive notifications.
Ensure your authenticator app generates valid codes reliably.
Store provided backup recovery codes securely, separate from your main login device. Take advantage of platform-supported alternative verification methods or account recovery flows so you can proceed if your primary option becomes unavailable.

Inspect Verification Conditions Before Requesting

Prior to initiating 2FA:

Check that your phone number and country/region codes are entered accurately, and ensure your physical SIM card can accept SMS or voice calls.
If using an authenticator app, ensure your device clock is set to automatic time synchronization.

Confirm you are logging in from the correct account and device, avoiding simultaneous verification requests across multiple browsers. Ensure bound devices are active and reachable when prompted.

Prioritize Bound and Proven Verification Methods

If a platform offers multiple options—SMS, authenticator app, login prompts, Passkeys, or recovery codes—select the method you have previously bound and verified as working.

If you regularly rely on an authenticator app, do not switch to a new phone number or device mid-process. The more stable your chosen method, the fewer variables introduced, making any errors far easier to diagnose.

Avoid Rapid, Repeated Verification Requests

If a code is delayed, refrain from clicking "Resend" repeatedly. Multiple requests in a short timeframe can generate competing codes or trigger temporary rate limits on your account. The safest approach is to wait out the onscreen countdown before requesting a new code, keeping only one active verification session open at a time.

III. Common 2FA Code Issues and Solutions

Verification Code Not Received

If an expected code fails to arrive, identify whether the issue lies with SMS delivery, phone service, or the authenticator app itself before requesting a new one:

Test if your mobile phone receives standard SMS or calls from other senders.
Check for active SMS blocking filters, spam rules, or carrier restrictions.
Confirm that your current number is still supported for authentication by the platform.

Switch to an alternative entry point if available—for example, use Google Prompts, backup codes, or secondary methods linked to your account.

Code Entered is Correct, but Verification Fails

If you receive a code but the system returns an error:

Verify whether the code has expired; if time has elapsed, request a fresh code.
For authenticator apps, verify that the generated code corresponds to the correct account profile.
Avoid repeated incorrect submissions. Follow platform prompts to switch to a secondary method or start account recovery.

Unable to Complete 2FA After Changing Devices or Phone Numbers

When updating your mobile number, the system may still rely on your old phone number as its active 2FA target. In this case, an incoming SMS on a new line will not validate the old setup automatically:

If you still have account access, update your linked phone number under security settings immediately and re-bind your authentication tools.

If locked out, use the platform's backup verification or account recovery options to establish ownership before updating your security profile.

Repeated or Continuous 2FA Prompts

If you successfully pass 2FA but the platform continuously re-prompts for authentication upon login, check whether your account is flagged for re-verification or recovery.

Platforms may require ongoing identity checks following sensitive account edits, recovery steps, or flagged login behavior. Complete all remaining onscreen verification steps sequentially rather than repeatedly entering the same code. You can also inspect account security notifications for uncompleted security checks or pending recovery workflows.

IV. FAQ

How should I handle a missing 2FA code?

Verify your phone number, country code, mobile service, and network connection first. Try secondary verification options offered on screen rather than sending consecutive code requests.

Can Google Voice receive 2FA codes?

Google Voice may not deliver codes reliably across all platforms. Google explicitly cautions that relying on virtual numbers like Google Voice for authentication can result in lockouts. A physical mobile number or secondary verification method is recommended.

Does using a proxy IP impact 2FA verification?

A proxy is not a direct input for 2FA, but sudden shifts in login location can trigger safety filters and prompt extra checks. Using stable network egresses, such as dedicated static residential proxies, helps minimize unnecessary security flags caused by frequent location shifts.

V. Summary

Missing 2FA codes are not always caused by SMS delivery faults—phone configurations, chosen authentication methods, device status, and network environments all play a role. When troubleshooting, systematically inspect your phone connection, verification setup, device profile, network route, and account state. Configuring backup options and preserving recovery codes ahead of time remains the most effective way to prevent authentication lockouts.