PerplexityUser
Perplexity AI web crawler bot
About this crawler
PerplexityUser is a web crawler identified by the regular-expression pattern PerplexityUser in the User-Agent request header. It is categorised as ai-fetcher, search-engine. Use the regex above to detect, log, allow, or block PerplexityUser traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.065%
Technical details
- Name
- PerplexityUser
- Pattern
PerplexityUser- Tags
- ai-fetcher, search-engine
- Reference
- https://perplexity.ai
- Added
- 2026/04/07
- Instances
- 1 known sample(s)
Sample User-Agent strings
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; PerplexityUser/1.0; +https://perplexity.ai)
Block this crawler
robots.txt — disallow PerplexityUser:
User-agent: PerplexityUser
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} PerplexityUser [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "PerplexityUser") {
return 403;
}
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