Apple App Site Association

GoodBotVerifiedOtherBOT

Operated by Apple Docs

What is Apple App Site Association?

Generated from Cloudflare, operator docs, and community data

Apple App Site Association is a web crawler operated by Apple. 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.

Helpful — Verified, safe crawler. Respects robots.txt and provides operator documentation.

Details

Bot Name
Apple App Site Association
Slug
aasa
Kind
BOT
Verification
Verified by Cloudflare
Category
Other
Operator
Apple

User-Agent Patterns

AASA-Bot/

Full User-Agent Strings

AASA-Bot/1.0.0

Main Use Cases

Web crawlingData collection

Why It Crawls Your Site

Apple App Site Association crawls websites to collect and process web content. It is operated by Apple as part of their web crawling infrastructure. If you see this bot in your server logs, it is a verified crawler and generally safe.

How to Block / Whitelist

Block Apple App Site Association

Add a Disallow rule for AASA-Bot/ in your robots.txt file. You can also block at the server level using your web server configuration or CDN firewall rules to filter requests matching the user-agent string.

# Block Apple App Site Association from crawling your entire site
User-agent: AASA-Bot/
Disallow: /

# Allow Apple App Site Association full access
User-agent: AASA-Bot/
Allow: /

Whitelist Apple App Site Association

Ensure your robots.txt allows AASA-Bot/. Verify requests are genuine by checking the user-agent string and referring to Apple's documentation.

Related Bots from Apple

Other crawlers operated by Apple

ApplebotApplebot data is used to power various features, such as the search technology that is integrated into many user experiences in Appleʼs ecosystem including Spotlight, Siri, and Safari. AI Search

Traffic & Trends

Cloudflare Radar Traffic

No Cloudflare traffic data available

Google Trends Interest

Links & References

Apple Documentation

developer.apple.com/library/archive/documentation/General/Conceptual/AppSearch/UniversalLinks.html

Cloudflare Radar: Apple App Site Association

radar.cloudflare.com/traffic/bots/aasa

Data Sources

This profile was compiled from the following sources:

CloudflareRadar

Last updated: May 26, 2026