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Generate standardized llms.txt files to help AI models understand and index your website content better. Improve your AI SEO instantly.
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The Ultimate Guide to llms.txt and AI SEO
Learn why llms.txt is becoming the new standard for making your website visible to Artificial Intelligence, and how you can implement it today.
What is llms.txt?
Just as robots.txt tells search engine crawlers what they can and cannot visit, and sitemap.xml provides a map of your website's structure, llms.txt is a specialized file format designed specifically for Large Language Models (LLMs).
It provides a clean, markdown-based summary of your website's content, making it incredibly easy for AI agents (like ChatGPT, Claude, or Perplexity) to digest and understand your site's purpose without having to scrape complex HTML.
Example Structure
# My Website > A brief summary of what this site does. ## Main Sections - [Documentation](/docs) - [Blog](/blog) - [Pricing](/pricing) ## Key Pages - [About Us](/about): Company history - [Contact](/contact): Get in touch
Why do you need llms.txt?
AI Visibility
Ensure your content is correctly indexed and understood by the next generation of search engines (AI Search).
Accuracy Control
Reduce hallucinations by providing authoritative summaries and context directly to the models.
Future Proofing
As "Agentic Web" grows, having a machine-readable interface for your site will be crucial for traffic.
llms.txt vs llms-full.txt
The standard proposes two files to balance efficiency and depth:
| File | Purpose | Content |
|---|---|---|
| llms.txt | The "Elevator Pitch" | Concise summary, main navigation links, and high-level overview. Used for quick context. |
| llms-full.txt | The "Deep Dive" | Detailed content, full blog posts, documentation, and comprehensive data. Used when the AI needs specifics. |
Ready to optimize for AI?
Use our free tool above to generate both files instantly. No coding required. Just enter your URL and download the files.