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Web scraper success rate doubles by mimicking Chrome's TLS handshake

A web scraper's success rate significantly improved by switching from the 'requests' library to 'curl_cffi'. This change allowed the scraper to better mimic Chrome's TLS handshake, bypassing modern Web Application Firewalls (WAFs) that fingerprint TLS connections rather than just User-Agents. The optimization doubled the scraper's effectiveness, increasing its success rate from 37% to 78%, with an additional 2% gain from removing unnecessary header overrides. AI

Summary written by gemini-2.5-flash-lite from 1 source. How we write summaries →

IMPACT Minor improvement for web scraping tools; unlikely to have broad AI industry impact.

RANK_REASON This describes a technical optimization for a web scraping tool, not a new AI model or significant industry event.

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COVERAGE [1]

  1. Mastodon — mastodon.social TIER_1 · mikenoe ·

    37% → 78%. Doubled my web scraper's success rate by swapping requests for curl_cffi to mimic Chrome's TLS handshake. Bonus: deleting 22 lines of "defensive" hea

    37% → 78%. Doubled my web scraper's success rate by swapping requests for curl_cffi to mimic Chrome's TLS handshake. Bonus: deleting 22 lines of "defensive" header overrides added another 2pp. They were undermining the impersonation. Modern WAFs fingerprint TLS ClientHello and HT…