Yaanb
Yaanb search engine bot
About this crawler
Yaanb is a web crawler identified by the regular-expression pattern Yaanb in the User-Agent request header. It is categorised as search-engine. Use the regex above to detect, log, allow, or block Yaanb 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
- Yaanb
- Pattern
Yaanb- Tags
- search-engine
- Reference
- http://www.yaanb.com/company/bot.hmtl
- Added
- 2026/05/09
- Instances
- 2 known sample(s)
Sample User-Agent strings
Yaanb/1.5.001 (compatible; Win64;)
Yaanb/1.5.001 (compatible; Win64;+http://www.yaanb.com/company/bot.hmtl)
Block this crawler
robots.txt — disallow Yaanb:
User-agent: Yaanb
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Yaanb [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "Yaanb") {
return 403;
}
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