CSmartCrawler

CSmart advertising crawler

About this crawler

CSmartCrawler is a web crawler identified by the regular-expression pattern CSmartCrawler in the User-Agent request header. It is categorised as advertising. Use the regex above to detect, log, allow, or block CSmartCrawler 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: CSmartCrawler
Pattern: CSmartCrawler
Tags: advertising
Added: 2026/05/09
Instances: 1 known sample(s)

Sample User-Agent strings

CSmartCrawler (email: abuse[at]adsadv[dot]com)

Block this crawler

robots.txt — disallow CSmartCrawler:

User-agent: CSmartCrawler Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

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

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