What is llms.txt? A New Standard for AI Content Indexing in 2025
What is llms.txt? A New Standard for AI Content Indexing in 2025 If you’re familiar with robots.txt, the new llms.txt will feel like its AI-native cousin. As large language models (LLMs) like ChatGPT, Claude, and Perplexity continue crawling the web to provide direct answers, website owners are starting to ask: How can I control how my content is used? Enter llms.txt — a new emerging standard designed to signal permissions and preferences to AI crawlers. ...