CirrusExplorer
Web crawler for indexing and competitive analysis
About this crawler
CirrusExplorer is a web crawler identified by the regular-expression pattern CirrusExplorer in the User-Agent request header. It is categorised as seo. Use the regex above to detect, log, allow, or block CirrusExplorer 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
- CirrusExplorer
- Pattern
CirrusExplorer- Tags
- seo
- Reference
- https://cseu.ro/explorer.php
- Added
- 2026/04/17
- Instances
- 1 known sample(s)
Sample User-Agent strings
CirrusExplorer/2 (https://cseu.ro/explorer.php)
Block this crawler
robots.txt — disallow CirrusExplorer:
User-agent: CirrusExplorer
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} CirrusExplorer [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "CirrusExplorer") {
return 403;
}
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