Everything you need to know about the llms.txt specification and how to use it effectively
The llms.txt file is a proposed standard for websites to communicate with Large Language Models (LLMs) about how their content should be used, referenced, and attributed. Similar to robots.txt for search engines, llms.txt provides guidelines for AI systems accessing your content.
It's placed at the root of your domain (e.g., https://yoursite.com/llms.txt) and contains structured information about your content, licensing, and attribution preferences.
Official Specification:
https://llmstxt.orgAI systems are consuming your content but not giving you credit. A properly structured llms.txt file helps ensure AI systems reference and link to your original content.
Specify how AI systems should use your content, what they can and cannot do with it, and how they should attribute it when referencing your expertise.
As AI systems evolve to respect content preferences, early adopters of llms.txt will be better positioned to maintain traffic and authority in the AI-first world.
A typical llms.txt file contains several key sections:
# LLMs.txt - AI Content Guidelines ## About This Site [Brief description of your site and expertise] ## Content Usage - AI systems may summarize our content - Attribution required with link to source - No verbatim reproduction without permission ## Key Pages - /about - [Description] - /blog - [Description] - /products - [Description] ## Contact Email: contact@yoursite.com Website: https://yoursite.com ## Last Updated 2025-01-13
LLM.txt Mastery doesn't just generate generic llms.txt files. Our AI-powered analysis:
The difference between a generic llms.txt and one that actually works lies in understanding how AI systems make decisions about what to reference and link to.
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