PercolateCrawler

ai-fetcher PercolateCrawler

Percolate content marketing crawler

About this crawler

PercolateCrawler is a web crawler identified by the regular-expression pattern PercolateCrawler in the User-Agent request header. It is categorised as ai-fetcher. Use the regex above to detect, log, allow, or block PercolateCrawler traffic in your web server, CDN edge rules, or robots.txt.

Block-rate · top 25k sites

No block-rate data for this crawler.

Technical details

Name
PercolateCrawler
Pattern
PercolateCrawler
Tags
ai-fetcher
Reference
https://www.percolate.com/
Added
2026/05/09
Instances
2 known sample(s)

Sample User-Agent strings

PercolateCrawler/3.1.30 ([email protected])
PercolateCrawler/4 ([email protected])

Block this crawler

robots.txt — disallow PercolateCrawler:

User-agent: PercolateCrawler Disallow: /

Apache .htaccess — return 403:

RewriteEngine On RewriteCond %{HTTP_USER_AGENT} PercolateCrawler [NC] RewriteRule .* - [F,L]

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "PercolateCrawler") { return 403; }
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