S

semanticbot

seo semanticbot

Semantic web crawler for content analysis

About this crawler

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

Block-rate · top 25k sites

0.065%
latest snapshot
2026-06-04
matched key: semanticbot
2026-05-012026-06-040.11%

Technical details

Name
semanticbot
Pattern
semanticbot
Tags
seo
Added
2018/06/28
Instances
2 known sample(s)

Sample User-Agent strings

semanticbot
semanticbot ([email protected])

Block this crawler

robots.txt — disallow semanticbot:

User-agent: semanticbot Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

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