# AEO (Answer Engine Optimisation) — user guide The AEO plugin shapes the site for answer engines (Claude, ChatGPT, Perplexity, Google AI Overviews, Bing Copilot). It does three things: emits schema.org JSON-LD from typed graph entities, generates `/llms.txt` and `/llms-full.txt`, and audits any page against eight heuristics. ## When to use it - A new page is being authored and you want it to be cited when customers ask an answer engine about your service. - An existing page is not being cited. Audit it to find the structural reasons. - You're standing up a new site and want the `llms.txt` pair generated so answer engines can index your content directly. ## The tools ### `aeo-emit-jsonld` Generates a `