Many websites use various anti-bot mechanisms to detect and prevent bots like web scrapers from accessing their content. The most prominent techniques include IP blocking, CAPTCHA tests, honeypot traps, and device or browser fingerprinting.
Top 5 Patterns Websites Detect as Bot Activity
Most websites will block your web scraper if you do the following.
Sending multiple simultaneous HTTP requests from one IP address
Sending several simultaneous HTTP requests from one IP address may not block your web scraper, but raising that number to tens or hundreds will. It appears as a bot-like activity because a human can’t send that many concurrent HTTP requests.
Not adding random delays between requests
Sending multiple HTTP requests without randomised delays doesn’t appear human….
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