llms.txt
llms.txt is a proposed file, placed at your site root, meant to guide AI models to your most important content. It is worth knowing about, but it is not a proven visibility lever.
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What this means for your store
Here is the honest version: no major AI company has committed to reading llms.txt, and log studies show AI crawlers request it in a tiny fraction of visits. Adding one is harmless, but do not expect a citation lift from it. The real levers are server-rendered HTML, complete structured data, and letting the right crawlers in.