TidyToolsAI Crawler Index · data as of · updated daily

AI Crawler Index · Perplexity · PerplexityBot

Which .org websites block PerplexityBot?

As of 2026-10-03, 20 of the 514 .org websites whose robots.txt we could read (3.9%) block PerplexityBot, Perplexity's AI search crawler, on the home page, compared with 8.3% of all sites; 3 more block it on some paths.

3.9%
of 514 .org websites block PerplexityBot
8.3%
of all sites
20
sites block it

All 20 .org websites that block PerplexityBot

#SitePolicyCrawlers blocked
479pbs.orgBlocks some AI search4 of 29
604themoviedb.orgBlocks some AI search20 of 29
749tjk.orgBlocks some AI search28 of 29
1109openssl.orgBlocks all AI search29 of 29
1262nejm.orgBlocks some AI search5 of 29
1395tmdb.orgBlocks some AI search20 of 29
1964codeberg.orgBlocks some AI search12 of 29
2390tvtropes.orgBlocks some AI search11 of 29
2671biorxiv.orgBlocks some AI search8 of 29
3080wto.orgBlocks some AI search28 of 29
3131gentoo.orgBlocks some AI search20 of 29
5530c-span.orgBlocks some AI search8 of 29
5793bangumi.orgBlocks some AI search6 of 29
5928wikicv.orgBlocks some AI search28 of 29
7110ebird.orgBlocks all AI search29 of 29
7315usgbc.orgBlocks some AI search28 of 29
7474f-droid.orgBlocks some AI search11 of 29
8032alternet.orgBlocks some AI search4 of 29
9189project-syndicate.orgBlocks some AI search10 of 29
9644hrc.orgBlocks some AI search3 of 29

Popular .org websites that allow PerplexityBot

Other AI crawlers and .org websites

PerplexityBot in other segments

PerplexityBot overview · All .org websites

FAQ

Which .org websites block PerplexityBot?
pbs.org, themoviedb.org, tjk.org, openssl.org, nejm.org, tmdb.org, codeberg.org, tvtropes.org, and 12 more (full list on this page).
How many .org websites block PerplexityBot?
As of 2026-10-03, 20 of the 514 .org websites whose robots.txt we could read (3.9%) block PerplexityBot, Perplexity's AI search crawler, on the home page, compared with 8.3% of all sites; 3 more block it on some paths.
How do I block or allow PerplexityBot on my site?
Add "User-agent: PerplexityBot" followed by "Disallow: /" to https://<your-site>/robots.txt to block it, or "Allow: /" to allow it. Check the result with the free AI crawler checker at tools.yukai.uk/free/ai-crawler-checker.