# How to Create an llms.txt File for AI Engines | AEO.page > Build an llms.txt file that provides AI language models with structured information about your site. # How to Create an llms.txt File for AI Engines Difficulty: Easy 20 minutes Category: Technical Build an llms.txt file that provides AI language models with structured information about your site. This guide walks you through each step, from preparation to implementation, so you can improve your Answer Engine Optimization and increase your visibility across AI search platforms like ChatGPT, Perplexity, and Gemini. ## Prerequisites Before You Start - Developer access to your website or server - Familiarity with web performance tools and structured data ## Step-by-Step Guide Create a new text file named llms.txt in your website's root directory Take your time with this step to ensure accuracy. Proper execution here directly impacts how AI engines parse and cite your content. If you are unsure about implementation details, the Ultimate Guide to AEO provides additional context on best practices. Before diving in, consider running a Free AEO Audit to establish your baseline metrics. This makes it easier to measure the impact of your changes. Add a site description section with a 2-3 sentence overview of what your site covers Take your time with this step to ensure accuracy. Proper execution here directly impacts how AI engines parse and cite your content. If you are unsure about implementation details, the Ultimate Guide to AEO provides additional context on best practices. List your most important pages with their URLs and brief descriptions Take your time with this step to ensure accuracy. Proper execution here directly impacts how AI engines parse and cite your content. If you are unsure about implementation details, the Ultimate Guide to AEO provides additional context on best practices. Include preferred citation format showing how AI engines should reference your content Take your time with this step to ensure accuracy. Proper execution here directly impacts how AI engines parse and cite your content. If you are unsure about implementation details, the Ultimate Guide to AEO provides additional context on best practices. Add content categories and their primary URLs to help AI engines navigate your topic coverage Take your time with this step to ensure accuracy. Proper execution here directly impacts how AI engines parse and cite your content. If you are unsure about implementation details, the Ultimate Guide to AEO provides additional context on best practices. Deploy the file and verify it is accessible at yourdomain.com/llms.txt Take your time with this step to ensure accuracy. Proper execution here directly impacts how AI engines parse and cite your content. If you are unsure about implementation details, the Ultimate Guide to AEO provides additional context on best practices. ### Pro Tips - 1. Test your implementation across multiple AI platforms — what works for ChatGPT may behave differently on Perplexity or AI Overviews. - 2. Use the Schema Generator to create properly structured data that reinforces your content's authority on this topic. - 3. Monitor your citation dominance and answer share metrics after implementation to quantify results. ## Common Mistakes to Avoid Blocking AI crawlers in robots.txt while expecting to appear in AI-generated answers. Having slow page load times that cause AI crawlers to time out before indexing your content. Not implementing proper canonical URLs, leading to duplicate content confusion for AI engines. ## Next Steps What Is Aeo Aeo Glossary How to Configure robots.txt for AI Crawler Access How to Check If AI Crawlers Can Access Your Content How to Optimize Your Sitemap for AI Crawler Discovery How to Ensure Server-Side Rendering for AI Crawlers ### Explore More Optimize for ChatGPT Optimize for Perplexity Optimize for Gemini AEO for SaaS AEO for E-commerce Citation Dominance Answer Share All How-To Guides AEO Glossary AEO vs SEO ## Ready to Put This Into Practice? Start with a free audit to see exactly where your site stands, then apply this guide to improve your AI search visibility. Get Your Free AEO Audit