W3C_I18n-Checker
W3C internationalization web crawler
About this crawler
W3C_I18n-Checker is a web crawler identified by the regular-expression pattern W3C_I18n-Checker in the User-Agent request header. It is categorised as monitoring. Use the regex above to detect, log, allow, or block W3C_I18n-Checker traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.065%
Technical details
- Name
- W3C_I18n-Checker
- Pattern
W3C_I18n-Checker- Tags
- monitoring
- Reference
- https://validator.w3.org/services
- Added
- 2018/10/14
- Instances
- 1 known sample(s)
Sample User-Agent strings
W3C_I18n-Checker/1.0
Block this crawler
robots.txt — disallow W3C_I18n-Checker:
User-agent: W3C_I18n-Checker
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} W3C_I18n-Checker [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "W3C_I18n-Checker") {
return 403;
}
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