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rhea hollis
rhea hollis

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Rotating vs Sticky Residential Proxies: How to Choose for Web Scraping

Rotating vs Sticky Residential Proxies: How to Choose for Web Scraping

Choosing a residential proxy is often framed as a question of IP count. In practice, the more useful question is: does this workflow need a new IP for each request, or continuity across several requests? That distinction affects parsing, login-free sessions, retries, and debugging.

When rotating residential proxies make sense

Rotating sessions are a good fit for independent requests: product pages, public listings, search-result samples, and broad market checks. The collector can move from one URL to the next without depending on a cookie or a previous response.

Rotation is not a cure for aggressive crawling. Keep concurrency bounded, use a clear user agent, respect site rules, and retry only transient failures. Measure valid records rather than counting HTTP 200 responses.

When a sticky session is the better tool

Some workflows need a little continuity. Examples include:

  • walking through pagination where a short-lived cookie is set;
  • checking several pages in one browser-like flow;
  • reproducing a localized page while debugging a parser;
  • running a short sequence of requests that should share the same network identity.

For these cases, a sticky session with an explicit time limit is easier to reason about than changing the IP after every request. It should still expire. A session that lasts longer than the job needs can make failures harder to isolate and may waste traffic.

A small benchmark you can repeat

Use the same URL list, parser version, and request schedule for both modes. Record:

  1. required-field completion;
  2. empty or blocked responses;
  3. median and p95 latency;
  4. retry count;
  5. cost per valid record.

If a page is location-sensitive, repeat the test for the exact country or city required by the project. Do not assume that a generic endpoint represents every local result.

Example request configuration

Keep credentials outside source code and dataset records. A simple Python test can look like this:

import os
import requests

proxy_url = os.environ["PROXY_URL"]
response = requests.get(
    "https://example.com/public-page",
    proxies={"http": proxy_url, "https": proxy_url},
    timeout=20,
    headers={"User-Agent": "ResearchBot/1.0 (+contact@example.com)"},
)
print(response.status_code, len(response.content))
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The code is deliberately small. The important part is the surrounding log: target URL, region, session mode, response status, parser result, and timestamp.

Where Thordata fits

Thordata’s residential-proxy documentation describes country, city, and other location targeting, along with rotating and sticky session options over HTTP/HTTPS. That makes it a candidate for a controlled comparison, not a reason to skip your own benchmark. A practical starting point is the residential proxy page: https://www.thordata.com/?ls=dde&lk=dde

Responsible collection

Collect only public data you have a legitimate reason to use. Follow the target site’s terms, applicable rate limits, and copyright requirements. A slower, observable collector is easier to maintain than a fast one that cannot explain where its requests came from.

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