Dark Visitor Client
Headless bot detection helper client
About this crawler
Dark Visitor Client is a web crawler identified by the regular-expression pattern Dark Visitor Client in the User-Agent request header. It is categorised as scanner. Use the regex above to detect, log, allow, or block Dark Visitor Client traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.065%
Technical details
- Name
- Dark Visitor Client
- Pattern
Dark Visitor Client- Tags
- scanner
- Reference
- https://datadome.co/bots/dark-visitor-client/
- Added
- 2026/04/17
- Instances
- 1 known sample(s)
Sample User-Agent strings
Dark Visitor Client
Block this crawler
robots.txt — disallow Dark Visitor Client:
User-agent: Dark Visitor Client
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Dark Visitor Client [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "Dark Visitor Client") {
return 403;
}
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