AI Search Optimization
Hand the Model a Brief with llms.txt and llms-full.txt
llms.txt is a curated Markdown brief at your domain root. llms-full.txt adds the full content. Anthropic and Perplexity confirm they read both files.
May 28, 20265 min
AI search splits SEO into three jobs. AEO is getting cited in AI answers. GEO is getting recommended by LLMs. AIO is being a brand models already know.
Read articlellms.txt is a curated Markdown brief at your domain root. llms-full.txt adds the full content. Anthropic and Perplexity confirm they read both files.
Robots.txt is the file every AI crawler reads first. It decides whether ChatGPT, Claude, and Perplexity can cite you. Most sites still treat it as security-only.