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Technology3h 10m ago
John Mueller stated that LLM systems cannot use files like llms.txt to decide which websites to surface for a given query.
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Who
Google’s John Mueller
What
John Mueller stated that LLM systems cannot use files like llms.txt to decide which websites to surface for a given query.
When
Mon, 15 Jun 2026 16:28:02 GMT · 3h 10m ago
Where
not specified ·
Why
Mueller argues LLM systems by design cannot trust self-reported information in llms.txt files as a way of differentiating between different websites.
The Frontline Impact
How this affects you
This suggests that llms.txt files, despite their purpose, are fundamentally limited in aiding AI discoverability due to their self-promotional nature, similar to how meta keywords became ineffective. The files may still serve a narrow function once an AI agent is already on a specific website.
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2 events in this thread- Technology3h 10m agoJohn Mueller stated that LLM systems cannot use files like llms.txt to differentiate between websites for search query results.Open article
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