F

Fetch

seo Fetch\/

Fetch web crawler for CMS detection

About this crawler

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

Block-rate · top 25k sites

0.59%
latest snapshot
2026-06-04
matched key: Fetch
2026-05-012026-06-040.90%

Technical details

Name
Fetch
Pattern
Fetch\/
Tags
seo
Added
2018/06/27
Instances
1 known sample(s)

Sample User-Agent strings

Fetch/2.0a (CMS Detection/Web/SEO analysis tool, see http://guess.scritch.org)

Block this crawler

robots.txt — disallow Fetch:

User-agent: Fetch Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "Fetch\\/") { return 403; }
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