FC

fr-crawler

search-engine fr-crawler

FR Crawler web crawler for content discovery

About this crawler

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

Block-rate · top 25k sites

0.13%
latest snapshot
2026-06-04
matched key: fr-crawler
2026-05-012026-06-040.15%

Technical details

Name
fr-crawler
Pattern
fr-crawler
Tags
search-engine
Added
2014/07/31
Instances
1 known sample(s)

Sample User-Agent strings

Mozilla/5.0 (compatible; fr-crawler/1.1)

Block this crawler

robots.txt — disallow fr-crawler:

User-agent: fr-crawler Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "fr-crawler") { return 403; }
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