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