llms-txt-presence
llms.txt presence
TrustImpact: Medium
What we measure
Whether /llms.txt exists per llmstxt.org spec.
Why it matters for AI citation
Explicit channel for telling AI engines exactly which content to ingest. 2026 frontier signal.
How to fix
Generate llms.txt via our /audit/llms-txt tool. Add to site root.
Source
llmstxt.org spec
Category
Trust
Crawl-time + share-time trust signals: HTTPS, canonical, viewport, AI-bot access via robots/llms.txt, Twitter card, meta description.
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