SB
SEO Browser
SEO Browser analysis tool
About this crawler
SEO Browser is a web crawler identified by the regular-expression pattern SEO Browser in the User-Agent request header. It is categorised as seo. Use the regex above to detect, log, allow, or block SEO Browser traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.061%
Technical details
- Name
- SEO Browser
- Pattern
SEO Browser- Tags
- seo
- Added
- 2026/05/09
- Instances
- 1 known sample(s)
Sample User-Agent strings
SEO Browser
Block this crawler
robots.txt — disallow SEO Browser:
User-agent: SEO Browser
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} SEO Browser [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "SEO Browser") {
return 403;
}
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