SEO vs AEO vs GEO: The Differences and How They Connect
One-line definitions
| Type | Targets | Outcome |
|---|---|---|
| SEO | Search engine ranking | Top results → click |
| AEO | Featured snippets, voice, PAA | Chosen as the direct answer |
| GEO | ChatGPT, Claude, Perplexity, Gemini | Cited inside AI answers |
Why they belong together
They share one root. Without a solid SEO foundation — crawlable, fast, well-structured — neither AEO nor GEO works. And the question-answer structure built for AEO directly raises your GEO citation odds. Each layer reuses the one below.
- Foundation (SEO): indexability, site structure, speed, mobile
- Middle (AEO): clear Q&A, snippet-friendly formatting, FAQ schema
- Top (GEO): definition sentences, data and sources, E-E-A-T, llms.txt
A practical order
If SEO is already decent, we recommend: ① add one-sentence definitions/summaries to key pages, ② structure with FAQs and tables, ③ strengthen Schema and author/source signals, ④ guide AI crawlers with llms.txt. Each item has its own guide on this site.
In short, SEO/AEO/GEO is not about choosing one — it is an integrated strategy that makes the same content work across search, answers, and generation.
Frequently Asked Questions
How do SEO, AEO and GEO differ?
They sit at different layers: SEO targets search rankings, AEO targets answer snippets, and GEO targets citation inside generative AI answers.
Can I do just one of them?
They are not competing approaches — they share the same foundation of crawlability, structure and trust, so the efficient path is to build AEO and GEO on top of technical SEO.
I already do SEO. What should I add?
Clear definition sentences, structured data, trust signals such as author, sources and update dates, and crawler guidance through llms.txt and robots.txt.
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