Guide · AI Search
Answer Engine Optimization (AEO) and Generative Engine Optimization (GEO) get used interchangeably. They're not the same. This guide breaks down the technical differences a team needs to act on — and where the two overlap enough to share a single page.
AEO optimizes for engines that extract a single answer (Google AI Overviews, featured snippets, voice assistants). GEO optimizes for engines that synthesize answers and cite sources (ChatGPT search, Perplexity, Gemini, Claude). AEO = be the answer. GEO = be the citation.
| Dimension | AEO | GEO |
|---|---|---|
| Primary surface | Google AI Overviews, featured snippets, voice assistants | ChatGPT, Perplexity, Claude, Gemini, Copilot |
| Goal | Be lifted as the single answer | Be cited inside a synthesized response |
| Content unit | Definition, Q&A, list, table | Fact-dense paragraph with named entities & stats |
| Schema priority | FAQPage, HowTo, QAPage, Article, Speakable | Article, Organization, Person, sameAs, Dataset |
| Crawlability | Render-stable HTML, semantic headings | Same + public llms.txt manifest, clean robots.txt |
| Authority signals | E-E-A-T: author bio, citations, reviews | Original data, quotable statistics, brand mentions on trusted sites |
| Measurement | Snippet/Overview appearance, position-zero share | Citation rate in AI answers, referral traffic from chat |
AEO rewards compression: one paragraph, one definition, one table that an engine can lift verbatim. GEO rewards density: original numbers, named entities, and direct quotes that an LLM can attribute. A page tuned only for AEO often reads too thin to be cited; a page tuned only for GEO often buries the extractable answer.
llms.txt.No. AEO optimizes content so answer engines (Google's AI Overviews, featured snippets, Alexa, Siri) can extract a single concise answer. GEO optimizes so generative engines (ChatGPT, Perplexity, Claude, Gemini) cite your page as a source inside a synthesized response. AEO targets extraction; GEO targets citation.
Answer Engine Optimization is the practice of structuring pages — with clear Q&A blocks, definitions, schema (FAQPage, HowTo, Article), and authoritative E-E-A-T signals — so an answer engine can lift one trustworthy answer directly to the user.
Generative Engine Optimization is the practice of making your content easy for LLM-powered search to retrieve, quote, and attribute. It emphasizes statistics, named entities, original data, clean crawlability, and a public llms.txt manifest.
Yes for most sites. The two overlap on fundamentals (semantic HTML, schema, fast rendering, authority) but diverge on output: AEO wants a clean extractable answer, GEO wants a citeable, fact-dense passage. A single page can serve both with the right structure.
Next step
See how an answer engine and a generative engine actually see your page — schema, extractability, citation probability.
Run free audit →