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llms.txt

llms.txt is a simple text file that tells AI models your content rules and how to cite you. Learn the specification and why you need it.

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Screenshot of an llms.txt file showing syntax for content policies and citation preferences.
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Thibault Besson-Magdelain fondateur de Sorank

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Thibault Besson-Magdelain

Founder of Sorank, 5+ years of experience in SEO, GEO enthusiast.
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Summary: llms.txt is a standardized text file that defines how AI models should treat your content, including training rights and citation rules.

The web is in transition. AI models are training on published content. llms.txt is the emerging standard for claiming control. It tells AI engines exactly how you want them to handle your content.

Unlike robots.txt, which governs crawling, llms.txt governs consumption. The llms.txt specification at llmstxt.org was created to give publishers a voice.

How llms.txt differs from robots.txt and other standards

robots.txt is 30 years old. It has no mechanism for commercial training. llms.txt fills that gap. W3C web standards guide the design.

What to put in your llms.txt

Three sections: content policies, citation preferences, excluded content. Helps support AI citations.

Publishing and maintaining your llms.txt

Place your llms.txt at yoursite.com/llms.txt. Make it plain text, no HTML. Aligns with AEO and LLMO strategy.

How llms.txt affects your LLMO and GEO strategy

Publishing llms.txt does not directly boost ranking but signals you understand the AI content economy. Models that respect llms.txt may prioritize sources with clear policies.

The future of llms.txt and content negotiations

Today voluntary, but expect adoption to grow. Entity-based SEO and clear policies go hand in hand.

Conclusion

llms.txt is not mandatory yet, but publishing one signals you understand the AI content economy. AI-cited backlinks platform.

Frequently questions asked

Is llms.txt like robots.txt?

Similar concept, different purpose. robots.txt tells crawlers what to index. llms.txt tells AI models your content usage policies.

Do I have to use llms.txt?

Not yet. But major AI labs are beginning to respect the specification. Publishing llms.txt signals to models that you have a clear stance.

What goes inside llms.txt?

Content usage policies, citation preferences, and opt-out rules for specific pages or content types.

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