Cloudflare Custom Error Page Crawler
recommended: challenge
Operated by Cloudflare
seo crawler
Cloulflare internal service that crawls customer error pages in order to serve them directly from our edge network.
How to identify it
User-agent contains any of:
Collapsify/
robots.txt
Well-behaved crawlers honor robots.txt. To control Cloudflare Custom Error Page Crawler:
Allow full access
User-agent: Collapsify/
Allow: /Block entirely
User-agent: Collapsify/
Disallow: /
Grey-area scrapers ignore robots.txt. Botscope enforces your policy at the edge or origin regardless —
see how →
See Cloudflare Custom Error Page Crawler on your own site
Botscope shows every bot and AI agent hitting your site — and lets you allow, challenge, or block each one. Observe first, enforce when you're ready.
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