KosmioBot

seo KosmioBot

Kosmio web crawler for content discovery

About this crawler

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

Block-rate · top 25k sites

0.065%
latest snapshot
2026-06-04
matched key: KosmioBot
2026-05-012026-06-040.11%

Technical details

Name
KosmioBot
Pattern
KosmioBot
Tags
seo
Reference
https://kosm.io/bot.html
Added
2017/09/16
Instances
1 known sample(s)

Sample User-Agent strings

Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.125 Safari/537.36 (compatible; KosmioBot/1.0; +http://kosm.io/bot.html)

Block this crawler

robots.txt — disallow KosmioBot:

User-agent: KosmioBot Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

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