Python Web Scraping Without Getting Blocked: 2026 Guide

#webscraping #tutorial #python #programming

Web scraping in 2026 requires sophistication. Here is how to avoid blocks.

Rotate User Agents

import random

AGENTS = [
    "Mozilla/5.0 (Windows NT 10.0; Win64; x64) Chrome/120.0",
    "Mozilla/5.0 (Macintosh; Intel Mac OS X) Safari/537.36",
    "Mozilla/5.0 (X11; Linux x86_64) Firefox/121.0",
]

def get_headers():
    return {"User-Agent": random.choice(AGENTS)}

Random Delays

import time, random

def polite_scrape(urls, min_delay=2, max_delay=8):
    results = []
    for url in urls:
        resp = requests.get(url, headers=get_headers())
        results.append(resp)
        time.sleep(random.uniform(min_delay, max_delay))
    return results

Proxy Rotation

PROXIES = ["http://proxy1:8080", "http://proxy2:8080"]

def scrape_with_proxy(url):
    proxy = random.choice(PROXIES)
    return requests.get(url, proxies={"http": proxy}, timeout=10)

Session Management

import requests

session = requests.Session()
session.headers.update(get_headers())
# Maintains cookies across requests

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