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I'd even argue that Anubis is universally superior in this domain.

A sufficiently advanced web scraper can build a statistical model of fingerprint payloads that are categorized by CF as legit and change their proxy on demand.

The only person who will end up blocked is the regular user.

There is also a huge market of proprietary anti-bot solvers, not to mention services that charge you per captcha-solution. Usually it's just someone who managed to crack the captcha and is generating the solutions automatically, since the response time is usually a few hundred milliseconds.

This is a problem with every commercial Anti-bot/captcha solution and not just CF, but also AWS WAF, Akamai, etc.



The pro gamer move is to use risk calculation as a means of determining when to throw a challenge, not when to deny access :)




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