Verity

advertising Verity\/

Contextual advertising crawler analyzing page content for brand safety

About this crawler

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

Technical details

Name
Verity
Pattern
Verity\/
Tags
advertising
Reference
https://gumgum.com/contextual
Added
2026/04/17
Instances
1 known sample(s)

Sample User-Agent strings

Verity/1.1 (https://gumgum.com/verity; [email protected])

Block this crawler

robots.txt — disallow Verity:

User-agent: Verity Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

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