;Owler

advertising ;Owler

Owler competitive intelligence crawler

About this crawler

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

Block-rate · top 25k sites

No block-rate data for this crawler.

Technical details

Name
;Owler
Pattern
;Owler
Tags
advertising
Reference
https://knownagents.com/agents/owler
Added
2026/04/26
Instances
1 known sample(s)

Sample User-Agent strings

robot;Owler;[email protected]

Block this crawler

robots.txt — disallow ;Owler:

User-agent: ;Owler Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

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