CRAZYWEBCRAWLER
General web crawler
About this crawler
CRAZYWEBCRAWLER is a web crawler identified by the regular-expression pattern CRAZYWEBCRAWLER in the User-Agent request header. It is categorised as http-library. Use the regex above to detect, log, allow, or block CRAZYWEBCRAWLER traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.061%
Technical details
- Name
- CRAZYWEBCRAWLER
- Pattern
CRAZYWEBCRAWLER- Tags
- http-library
- Reference
- http://www.crazywebcrawler.com
- Added
- 2026/05/03
- Instances
- 4 known sample(s)
Sample User-Agent strings
CRAZYWEBCRAWLER 0.9.10, http://www.crazywebcrawler.com
CRAZYWEBCRAWLER 0.9.2, http://www.crazywebcrawler.com
CRAZYWEBCRAWLER 0.9.1, http://www.crazywebcrawler.com
CRAZYWEBCRAWLER 0.9.0, http://www.crazywebcrawler.com
Block this crawler
robots.txt — disallow CRAZYWEBCRAWLER:
User-agent: CRAZYWEBCRAWLER
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} CRAZYWEBCRAWLER [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "CRAZYWEBCRAWLER") {
return 403;
}
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