llms.txt in 2026: What It Is, What Google Says, and Whether You Need One
llms.txt is a proposed plain-text file at the root of a website that gives AI systems a curated, Markdown-formatted map of the site’s most important content. In 2026 it does nothing for Google: Google’s own AI optimization guidance says it isn’t needed for AI Overviews or AI Mode. It may help AI agents navigate a … Read more