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