ht://check
ht://check link checker
About this crawler
ht://check is a web crawler identified by the regular-expression pattern ht://check in the User-Agent request header. It is categorised as monitoring. Use the regex above to detect, log, allow, or block ht://check 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
- ht://check
- Pattern
ht://check- Tags
- monitoring
- Reference
- http://www.htdig.org/
- Added
- 2026/05/09
- Instances
- 1 known sample(s)
Sample User-Agent strings
ht://check/2.0.0-rc1 (Linux 2.6.32-573.18.1.el6.x86_64 x86_64)
Block this crawler
robots.txt — disallow ht://check:
User-agent: ht://check
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} ht://check [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "ht://check") {
return 403;
}
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