Piperic
Claude-Web
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Anthropic · AI crawler

167,505 websites block Claude-Web

That’s 0.345% of the 48,534,257 live websites we index — the #14 most-blocked AI crawler.

User assistantUnclearUndocumented AI Agents

Claude-Web is an AI-related agent operated by Anthropic. It's currently unclear exactly what it's used for, since there's no official documentation. If you can provide more detail, please contact us.

🛰️ We haven’t observed Claude-Web crawling piperic.com yet. This page updates automatically when it does.

Block Claude-Web in robots.txt

Add this to your site’s /robots.txt:

User-agent: Claude-Web
Disallow: /

Who blocks Claude-Web

Top countries blocking it

Switzerland12,976
United Kingdom5,880
Germany4,812
Sweden4,505
Spain2,585
Netherlands2,547
Poland2,217
Slovakia2,063
Denmark1,715
Hungary1,559

Top categories blocking it

casinos-and-gambling15,347
real-estate-buying-and-selling4,571
video-gaming4,292
artificial-intelligence3,514
casino-and-gambling-video-games2,543
soccer2,347
remodeling-and-construction2,198
photography2,045
adult-and-explicit-sexual-content1,981
technology-and-computing1,852
Get the list of 167,505 sites blocking Claude-Web
Filterable by country, category and tech — export as CSV / JSON / XLSX.
Browse the list →Export lead list →

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