AI readiness guide
GEO vs AEO vs SEO: what's the difference?
Short answer
SEO (Search Engine Optimization) optimizes for ranked links in classic search. AEO (Answer Engine Optimization) optimizes for being the direct answer in answer engines and voice assistants. GEO (Generative Engine Optimization) optimizes for being mentioned or cited inside AI-generated responses from tools like ChatGPT and Perplexity. They share the same foundation — crawlable, well-structured, trustworthy content — and work together rather than replacing each other.
The three terms, plainly
SEO is the established discipline: earn ranked positions for links in a results page. AEO focuses on position zero — answering a question so directly and clearly that an answer engine or voice assistant reads your answer back. GEO focuses on generative answers — getting your brand referenced or cited when an AI model synthesizes a response.
The acronyms differ, but the underlying work overlaps heavily. All three reward content that is easy to crawl, clearly structured, and genuinely useful.
How they overlap
Google itself has framed answer-engine work as still being SEO. Structured data, clear headings, answer-first paragraphs, and crawlable pages help you rank in classic search, get pulled into AI overviews, and be understood by generative assistants at the same time.
That is why AI readiness complements your existing SEO rather than replacing it. You are not choosing between them — you are extending the same foundation to a new surface.
What to actually do
Answer questions directly in the first paragraph, use clear FAQ structures, add relevant structured data, keep pages crawlable, and make sure AI crawlers are not accidentally blocked. Optionally add an llms.txt summary for AI assistants.
Measurement shifts too: alongside rankings and traffic, teams increasingly track whether their brand is mentioned in AI answers. Just remember no tool can guarantee those mentions.
Tools for this
Or run a full AI readiness check to see crawler access, llms.txt, and schema in one report.
FAQ
Is GEO replacing SEO?
No. GEO and AEO extend SEO to AI answer surfaces. They share the same foundation of crawlable, structured, trustworthy content.
Do I need different content for GEO and SEO?
Usually not. Answer-first, well-structured, schema-supported content serves classic search, answer engines, and generative AI at once.
How do I measure GEO?
Teams track brand mentions and citations in AI answers in addition to rankings and traffic, but these are directional signals, not guaranteed outcomes.
Related guides
Why isn't my site showing up in ChatGPT or AI Overviews?
Common technical reasons a site is missing from ChatGPT, Perplexity, and Google AI Overviews — blocked crawlers, noindex, thin content, no schema — and how to check them.
Does llms.txt help SEO and AI search?
Does adding llms.txt improve SEO or AI search visibility? An honest look at what llms.txt can and cannot do, and when it is worth adding to your site.