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What Is llms.txt? The Spec, the Skeptics, and Whether to Bother
llms.txt is Jeremy Howard's September 2024 proposal: a markdown file at /llms.txt giving language models a curated map of your site. Google's John Mueller says no major AI service uses it — server logs show crawlers don't even request it — comparing it to the keywords meta tag. The precise spec, the honest adoption picture, the steel-manned case against, and the calibrated verdict: spend ten minutes publishing one as a courtesy, then spend the real hour on the measurable levers.
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