Complete Guide to llms.txt: The Key File That Helps AI Correctly Understand Your Website in the Age of AI Search
llms.txt is a navigation index file placed in the root directory of a website for AI to read. This article provides a complete introduction to llms.txt, including its definition, format, differences from sitemap and robots.txt, writing steps, and common misconceptions, helping your website be correctly understood and cited by AI in the age of AI search.