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SEO vs GEO vs AEO: The Difference Explained

SEO, GEO, and AEO are three different jobs, not three names for the same thing. Here is what each one optimizes, where it shows up, and how they work together to win both Google and AI assistants.

HHerman4 minutes read

Three acronyms, endless confusion. When comparing seo vs geo and AEO, terms get used as if they mean the same thing, then teams wonder why their "AI strategy" is just old keyword work with a new label. They are related, but they optimise for different surfaces with different rules. Get the distinction right and you stop wasting effort on the wrong target.

The one-line version

  • SEO gets your pages to rank in traditional search results.
  • GEO gets your content included when an AI synthesizes an answer.
  • AEO gets your brand named and cited as the answer.

Side by side

SEOGEOAEO
Full nameSearch Engine OptimizationGenerative Engine OptimizationAnswer Engine Optimization
Optimizes forRanking in the list of linksInclusion in AI-generated textBeing the cited, recommended answer
Where it shows upGoogle and Bing results pagesAI Overviews, ChatGPT, Gemini summariesChatGPT, Claude, Perplexity, Copilot, Gemini answers
Unit of successA ranked URLA sentence the model synthesizes from youA named brand mention or citation
Core leverKeywords, links, technical healthStructured, quotable, authoritative contentEntity clarity, citations, share of voice
Question it answers"Can people find my page?""Does the AI use my content?""Does the AI recommend me by name?"

SEO: rank the page

SEO is the discipline you already know. You optimize titles, headings, internal links, page speed, and backlinks so a search engine ranks your URL near the top. The win is a click from a results page. SEO still matters: most AI assistants, Copilot included, ground their answers in a search index, so a page that cannot be crawled and ranked cannot be cited either. SEO is the foundation, not the finish line.

GEO: get synthesized into the answer

Generative Engine Optimization is about being part of the text an AI generates. When Google AI Overviews or a chatbot writes a paragraph, it stitches together claims from multiple sources. GEO is the work of making your content easy to extract and trust: clear structure, self-contained answers, specific and sourced claims, and schema that tells the model what your content is about. The win is that the model uses your material, even if it does not always say your name. For the deeper version, see Generative Engine Optimization (GEO) Explained for CMOs.

Answer Engine Optimization is the sharpest of the three. The goal is not just to be used, it is to be named. When a buyer asks ChatGPT, Claude, Perplexity, Copilot, or Gemini a buying question, AEO is what determines whether the assistant recommends you, a competitor, or no one. That depends on entity clarity (does the model know who you are), citation strength (who links to and references you), and share of voice across engines. The win is a direct recommendation at the moment of decision. Start with the Answer Engine Optimisation Complete Guide.

How they overlap

These are layers, not rivals. They share a backbone of crawlable, structured, authoritative content, and they build on each other.

LayerBuilds onAdds
SEOCrawlable, fast, linked pagesRankings in traditional search
GEOSEO foundationsExtractable, quotable content the model reuses
AEOGEO contentNamed recommendations and citations in AI answers

A page that ranks well (SEO), is written to be quoted (GEO), and is backed by a recognized brand entity (AEO) wins on every surface at once. Skip a layer and you leave gaps: great SEO with weak entity signals means Google ranks you but ChatGPT never names you.

What to actually do

  1. Keep the SEO foundation healthy. Index coverage, site speed, internal links, and schema still gate everything downstream.
  2. Write for extraction. Front-load direct answers, use clear headings, build self-contained FAQ entries, and keep claims specific and sourced. This serves GEO and AEO at once.
  3. Strengthen your entity. Consistent naming, an organization knowledge graph, and citations from sources the models trust. This is what turns "used" into "named."
  4. Measure by engine. Track where you are cited across ChatGPT, Claude, Perplexity, Copilot, Gemini, Grok, and DeepSeek, because being strong in one says nothing about the others. See AEO vs Traditional SEO: Budget Allocation for how to split the investment.

Where SearchFit fits

SEO tools tell you how you rank. SearchFit tells you whether AI assistants recommend you. It runs your buying questions across every major engine, shows your share of voice versus competitors, surfaces the sources each answer is grounded in, and turns the gaps into a weekly action plan. SEO gets you found. GEO gets you used. AEO gets you recommended. SearchFit measures and improves the last two.

Run the free AEO Grader to see your Visibility Score across every engine, or reach out to [email protected] for a walkthrough on your own domain.

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