Yahoo-MMCrawler
Yahoo multimedia crawler
About this crawler
Yahoo-MMCrawler is a web crawler identified by the regular-expression pattern Yahoo-MMCrawler in the User-Agent request header. It is categorised as search-engine. Use the regex above to detect, log, allow, or block Yahoo-MMCrawler traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.065%
Technical details
- Name
- Yahoo-MMCrawler
- Pattern
Yahoo-MMCrawler- Tags
- search-engine
- Reference
- https://help.yahoo.com/kb/SLN22600.html
- Added
- 2026/05/09
- Instances
- 1 known sample(s)
Sample User-Agent strings
Mozilla/5.0 (Yahoo-MMCrawler/4.0; mailto:[email protected])
Block this crawler
robots.txt — disallow Yahoo-MMCrawler:
User-agent: Yahoo-MMCrawler
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Yahoo-MMCrawler [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "Yahoo-MMCrawler") {
return 403;
}
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