Link headers
RFC 8288 Link headers attach related resources to any HTTP response. Browsers ignore them; agents that read them skip a whole round of HTML parsing.
Why it matters
A Link header pointing at your API catalog, docs or markdown twin is free discovery real estate on every response.
Pass criteria
The homepage response carries Link headers with at least one agent-useful relation.
Every request the check makes is recorded (URL, method, response status, relevant headers and a body preview) and shown under the check in your results.
How to implement it
Include Link response headers for agent discovery (RFC 8288)
The homepage response carries Link headers with at least one agent-useful relation.
The step-by-step implementation prompt is part of the Pro plan.
See plansScan your site
See whether this check passes on your domain, along with the other 21.
Related checks
robots.txt
Returns HTTP 200 with plain text containing at least one User-agent directive.
Sitemap
A valid XML sitemap is served at /sitemap.xml, or declared with a Sitemap: directive in robots.txt.
DNS for AI Discovery
ServiceMode SVCB/HTTPS records or a TXT index exist under the _agents namespace, ideally DNSSEC-signed.