SEO, AEO & GEO · Definitions
What Is GEO?
Generative Engine Optimization — making sure ChatGPT, Perplexity, Gemini, and AI Overviews cite your business when someone asks about your space.
GEO — Generative Engine Optimization — is the practice of optimizing for AI-powered search: making sure that when someone asks ChatGPT, Perplexity, Gemini, or Google's AI Overviews a question in your space, your business shows up in the answer and gets cited as a source — not a competitor.
How generative engines actually work
Most AI answer engines don't invent facts from nothing. They run a retrieval step first — pulling in a handful of pages that already look authoritative on the topic, usually the same pages that already rank well in ordinary search — and then generate a response grounded in those sources, citing the ones it leans on most. That single fact is the whole reason GEO can't be separated from SEO: if your page never gets retrieved, it can never get cited.
What actually moves the needle for GEO
- A healthy SEO foundation — technical health and existing authority determine whether you get retrieved at all.
- Clear, quotable writing — direct statements a model can lift cleanly, rather than answers buried in marketing fluff.
- Topical depth — covering a subject thoroughly, the way topical authority content does, signals to a model that your site is a credible source on the whole topic, not just one lucky page.
- Structured data — the same schema markup that helps AEO also helps AI crawlers parse exactly what a page is claiming.
GEO is additive, not a replacement
None of this replaces SEO or AEO — it sits on top of them. A site with strong technical SEO, content built around real questions (AEO), and enough topical depth to be treated as an authority is already most of the way to being GEO-ready. GEO adds the last layer: writing and structuring content with an eye toward how a language model reads and cites it, and tracking how your brand actually shows up in AI answers.
FAQ
→How do AI engines decide what to cite?
Most AI answer engines (ChatGPT with browsing, Perplexity, Gemini, Google's AI Overviews) run a retrieval step first — pulling in pages that already rank well and look authoritative on the topic — then generate an answer grounded in those sources, citing the ones it draws from most directly. Sites that don't rank well in ordinary search rarely get retrieved in the first place.
→Can I optimize for GEO without doing SEO?
Not really. GEO sits on top of the same signals SEO already measures — technical health, authority, clear content — because that's what determines whether an AI engine's retrieval step finds your page at all. Treat GEO as an additional layer on a healthy SEO foundation, not a replacement for one.
→How do I know if I'm being cited by AI engines?
Run your own brand and topic queries through ChatGPT, Perplexity, and Google's AI Overviews and see what shows up. Some analytics tools are starting to track referral traffic from AI engines specifically — worth setting up alongside regular search console monitoring.
Related reading
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