Urlcheckr
Dead link checker identifying broken hyperlinks and inaccessible pages
About this crawler
Urlcheckr is a web crawler identified by the regular-expression pattern Urlcheckr\/ in the User-Agent request header. It is categorised as seo. Use the regex above to detect, log, allow, or block Urlcheckr 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
- Urlcheckr
- Pattern
Urlcheckr\/- Tags
- seo
- Reference
- https://www.urlcheckr.com/
- Added
- 2026/04/17
- Instances
- 1 known sample(s)
Sample User-Agent strings
Urlcheckr/2.0
Block this crawler
robots.txt — disallow Urlcheckr:
User-agent: Urlcheckr
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Urlcheckr\/ [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "Urlcheckr\\/") {
return 403;
}
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