What is PerplexityBot?

PerplexityBot is Perplexity's AI search crawler: it indexes pages so an AI search product can find and cite them. It is the #10 most blocked of the 29 AI crawlers in the index.

How do I block PerplexityBot in robots.txt?

Add these lines to https:// /robots.txt: "User-agent: PerplexityBot" followed by "Disallow: /". To allow it, use "Allow: /" instead. Well-behaved crawlers read robots.txt before fetching pages; firewall rules are needed to stop crawlers that ignore it.

How do I check whether my site blocks PerplexityBot?

Use the free AI crawler checker at tools.yukai.uk/free/ai-crawler-checker: it shows the status of PerplexityBot and 28 other AI crawlers with the exact robots.txt rule.

AI crawler · Perplexity · AI search

Which websites block PerplexityBot?

As of 2026-10-01, 108 of the 853 popular websites whose robots.txt we could read (12.7%) block PerplexityBot, Perplexity's AI search crawler, on the home page; 54 more block it on some paths. Among the top 100 sites: 21.7%.

12.7%

of 853 readable sites block PerplexityBot

21.7%

of the top 100

#10

most blocked of 29 AI crawlers

691

sites allow it on the home page

Blocked by category

Category	Sites read	Block PerplexityBot
News & media	126	45.2%
Social	48	25%
AI	9	11.1%
Reference	43	9.3%
Other	260	8.1%
E-commerce	58	6.9%
Entertainment	68	5.9%
Government	33	3%
Tech	154	2.6%
Education	20	0%
Finance	16	0%
Telecom	5	0%
Travel	13	0%

Trend

The daily series for PerplexityBot starts on 2026-10-01; a trend appears here as days accumulate.

Latest changes

dailymotion.com: blocked → allowed

Block or allow PerplexityBot

User-agent: PerplexityBot
Disallow: /

Replace Disallow: / with Allow: / to let it in. A site that blocks training crawlers but wants to be cited in AI answers usually keeps the search and user-triggered crawlers allowed.

FAQ

How many websites block PerplexityBot?: As of 2026-10-01, 108 of the 853 popular websites whose robots.txt we could read (12.7%) block PerplexityBot, Perplexity's AI search crawler, on the home page; 54 more block it on some paths. Among the top 100 sites: 21.7%.
What is PerplexityBot?: PerplexityBot is Perplexity's AI search crawler: it indexes pages so an AI search product can find and cite them. It is the #10 most blocked of the 29 AI crawlers in the index.
How do I block PerplexityBot in robots.txt?: Add these lines to https://<your-site>/robots.txt: "User-agent: PerplexityBot" followed by "Disallow: /". To allow it, use "Allow: /" instead. Well-behaved crawlers read robots.txt before fetching pages; firewall rules are needed to stop crawlers that ignore it.
How do I check whether my site blocks PerplexityBot?: Use the free AI crawler checker at tools.yukai.uk/free/ai-crawler-checker: it shows the status of PerplexityBot and 28 other AI crawlers with the exact robots.txt rule.

Other AI crawlers

Also from Perplexity: Perplexity-User (8.9%).