
Google Says You Don't Need llms.txt. Here's the Catch.
Google says llms.txt is unnecessary. Chrome Lighthouse audits it anyway. We fact-checked five studies on what llms.txt really does for AI visibility in 2026.
50 curated brands across 5 industries. Audited weekly with Radar’s 13-tool methodology. Live LLM queries, published weights, no cached data. Updated 2026-06-15.
Live, scored brands only (audit-blocked excluded)
Our most-cited deep dives on AI search visibility, plus what we shipped this month.

Google says llms.txt is unnecessary. Chrome Lighthouse audits it anyway. We fact-checked five studies on what llms.txt really does for AI visibility in 2026.

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