FemtosearchBot

search-engine FemtosearchBot

Femtosearch web crawler for content discovery

About this crawler

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

Block-rate · top 25k sites

0.39%
latest snapshot
2026-06-04
matched key: FemtosearchBot
2026-05-012026-06-040.55%

Technical details

Name
FemtosearchBot
Pattern
FemtosearchBot
Tags
search-engine
Reference
http://femtosearch.com
Added
2017/05/16
Instances
1 known sample(s)

Sample User-Agent strings

Mozilla/5.0 (compatible; FemtosearchBot/1.0; http://femtosearch.com)

Block this crawler

robots.txt — disallow FemtosearchBot:

User-agent: FemtosearchBot Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "FemtosearchBot") { return 403; }
← back to all crawlers