TidyToolsAI Crawler Index · data as of · updated daily

AI Crawler Index · Perplexity · PerplexityBot

Which .edu websites block PerplexityBot?

As of 2026-10-03, 4 of the 161 .edu websites whose robots.txt we could read (2.5%) block PerplexityBot, Perplexity's AI search crawler, on the home page, compared with 8.3% of all sites; 1 more block it on some paths.

2.5%
of 161 .edu websites block PerplexityBot
8.3%
of all sites
4
sites block it

All 4 .edu websites that block PerplexityBot

#SitePolicyCrawlers blocked
1208umd.eduBlocks some AI search3 of 29
1530osu.eduBlocks all AI search29 of 29
1841cuny.eduBlocks some AI search28 of 29
5303nap.eduBlocks some AI search7 of 29

Popular .edu websites that allow PerplexityBot

Other AI crawlers and .edu websites

PerplexityBot in other segments

PerplexityBot overview · All .edu websites

FAQ

Which .edu websites block PerplexityBot?
umd.edu, osu.edu, cuny.edu, nap.edu.
How many .edu websites block PerplexityBot?
As of 2026-10-03, 4 of the 161 .edu websites whose robots.txt we could read (2.5%) block PerplexityBot, Perplexity's AI search crawler, on the home page, compared with 8.3% of all sites; 1 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.