Guide

The accept-markdown header

Accept: text/markdown is an HTTP content-negotiation header that signals an AI agent prefers clean markdown over HTML. Implementing it correctly means a Content-Type match, a Vary: Accept header, honoring q-values, and 406 on unsatisfiable requests.

Updated 2026-04-22

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AI search visibility audit

One-click audit: llms.txt, Accept-header, robots.txt, sitemap.md, token savings.

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