aylienbot
AYLIEN text analysis and NLP crawler
About this crawler
aylienbot is a web crawler identified by the regular-expression pattern aylienbot in the User-Agent request header. It is categorised as ai-crawler. Use the regex above to detect, log, allow, or block aylienbot traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
No block-rate data for this crawler.
Technical details
- Name
- aylienbot
- Pattern
aylienbot- Tags
- ai-crawler
- Reference
- http://www.aylien.com/bot.html
- Added
- 2026/05/09
- Instances
- 1 known sample(s)
Sample User-Agent strings
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.63 Safari/537.36 (compatible; aylienbot/0.2; +http://www.aylien.com/bot.html)
Block this crawler
robots.txt — disallow aylienbot:
User-agent: aylienbot
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} aylienbot [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "aylienbot") {
return 403;
}
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