Dark Visitor

monitoring Dark Visitor

Bot analytics and AI agent tracking service crawler

About this crawler

Dark Visitor is a web crawler identified by the regular-expression pattern Dark Visitor in the User-Agent request header. It is categorised as monitoring. Use the regex above to detect, log, allow, or block Dark Visitor 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: DARK
2026-05-012026-06-040.11%

Technical details

Name
Dark Visitor
Pattern
Dark Visitor
Tags
monitoring
Reference
https://knownagents.com/
Added
2026/04/26
Instances
1 known sample(s)

Sample User-Agent strings

Mozilla/5.0 (compatible; Dark Visitor/1.0; +https://darkvisitors.com)

Block this crawler

robots.txt — disallow Dark Visitor:

User-agent: Dark Visitor Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

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