ExtLinksBot

seo ExtLinksBot

ExtLinks web crawler for link analysis

About this crawler

ExtLinksBot is a web crawler identified by the regular-expression pattern ExtLinksBot in the User-Agent request header. It is categorised as seo. Use the regex above to detect, log, allow, or block ExtLinksBot traffic in your web server, CDN edge rules, or robots.txt.

Block-rate · top 25k sites

0.26%
latest snapshot
2026-06-04
matched key: ExtLinksBot
2026-05-012026-06-040.43%

Technical details

Name
ExtLinksBot
Pattern
ExtLinksBot
Tags
seo
Reference
https://extlinks.com/Bot.html
Added
2017/11/02
Instances
1 known sample(s)

Sample User-Agent strings

Mozilla/5.0 (compatible; ExtLinksBot/1.5 +https://extlinks.com/Bot.html)

Block this crawler

robots.txt — disallow ExtLinksBot:

User-agent: ExtLinksBot Disallow: /

Apache .htaccess — return 403:

RewriteEngine On RewriteCond %{HTTP_USER_AGENT} ExtLinksBot [NC] RewriteRule .* - [F,L]

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "ExtLinksBot") { return 403; }
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