CriteoBot

advertising CriteoBot

Criteo web crawler for advertising

About this crawler

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

Block-rate · top 25k sites

0.33%
latest snapshot
2026-06-04
matched key: CriteoBot
2026-05-012026-06-040.60%

Technical details

Name
CriteoBot
Pattern
CriteoBot
Tags
advertising
Reference
https://www.criteo.com/
Added
2022/11/13
Instances
1 known sample(s)

Sample User-Agent strings

CriteoBot/0.1 (+https://www.criteo.com/criteo-crawler/)

Block this crawler

robots.txt — disallow CriteoBot:

User-agent: CriteoBot Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

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