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Evolution of Web Bots Spurs Advanced Detection Techniques

Overview of web bots evolution and detection methods used today

From Hacker News Original Article Hacker News Discussion

Websites have developed increasingly sophisticated methods to detect and block bots, using techniques ranging from simple HTTP header checks to advanced behavior analysis powered by AI.

Why it matters: Bot detection protects websites from spam, fraud, and data scraping, preserving user experience and security.

The big picture: Bot detection is a constant cat-and-mouse game with evolving bots using headless browsers and proxy evasion.

Stunning stat: Some bot challenges outsource solving to real humans at just $1–2 per thousand captchas, making bot evasion cheap.

Commenters say: Readers find the deep technical breakdown enlightening, praising the coverage of subtle detection methods and AI behavior analysis.