deadlinkchecker
Dead Link Checker web crawler for link validation
About this crawler
deadlinkchecker is a web crawler identified by the regular-expression pattern deadlinkchecker in the User-Agent request header. It is categorised as seo. Use the regex above to detect, log, allow, or block deadlinkchecker traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.065%
Technical details
- Name
- deadlinkchecker
- Pattern
deadlinkchecker- Tags
- seo
- Reference
- https://www.deadlinkchecker.com/
- Added
- 2016/02/08
- Instances
- 3 known sample(s)
Sample User-Agent strings
www.deadlinkchecker.com Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.86 Safari/537.36
www.deadlinkchecker.com XMLHTTP/1.0
www.deadlinkchecker.com XMLHTTP/1.0 Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.86 Safari/537.36
Block this crawler
robots.txt — disallow deadlinkchecker:
User-agent: deadlinkchecker
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} deadlinkchecker [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "deadlinkchecker") {
return 403;
}
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