CS
calculon spider
Calculon yield bot spider
About this crawler
calculon spider is a web crawler identified by the regular-expression pattern calculon spider in the User-Agent request header. It is categorised as advertising. Use the regex above to detect, log, allow, or block calculon spider traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.26%
Technical details
- Name
- calculon spider
- Pattern
calculon spider- Tags
- advertising
- Added
- 2026/05/09
- Instances
- 1 known sample(s)
Sample User-Agent strings
calculon spider/0.1.0 mailto:[email protected]
Block this crawler
robots.txt — disallow calculon spider:
User-agent: calculon spider
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} calculon spider [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "calculon spider") {
return 403;
}
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