LinkCheckerBot
LinkChecker broken link bot
About this crawler
LinkCheckerBot is a web crawler identified by the regular-expression pattern LinkCheckerBot in the User-Agent request header. It is categorised as seo. Use the regex above to detect, log, allow, or block LinkCheckerBot traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.065%
Technical details
- Name
- LinkCheckerBot
- Pattern
LinkCheckerBot- Tags
- seo
- Reference
- https://knownagents.com/agents/linkchecker-bot
- Added
- 2026/04/26
- Instances
- 1 known sample(s)
Sample User-Agent strings
Mozilla/5.0 (compatible; LinkCheckerBot/2.0; +https://linkchecker.pro/robot/)
Block this crawler
robots.txt — disallow LinkCheckerBot:
User-agent: LinkCheckerBot
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} LinkCheckerBot [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "LinkCheckerBot") {
return 403;
}
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