Apple App Site Association
recommended: observe
Operated by Apple
other
The Apple App Site Association is used to support "Universal Links" that can open in native iOS apps. The bot requests a specific path for a given hostname, which returns metadata that associates certain URL patterns with native iOS apps.
How to identify it
User-agent contains any of:
AASA-Bot/
robots.txt
Well-behaved crawlers honor robots.txt. To control Apple App Site Association:
Allow full access
User-agent: AASA-Bot/
Allow: /Block entirely
User-agent: AASA-Bot/
Disallow: /
Grey-area scrapers ignore robots.txt. Botscope enforces your policy at the edge or origin regardless —
see how →
See Apple App Site Association on your own site
Botscope shows every bot and AI agent hitting your site — and lets you allow, challenge, or block each one. Observe first, enforce when you're ready.
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