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Concept

Answer engine optimization (AEO / GEO)

Verified Oct 17, 2026 Review by Apr 15, 2027 5 sources
Short answer

Answer engine optimization is the work of making your brand and content easy for AI answer engines to find, understand, trust and cite. It builds on SEO basics (crawlable, clear, helpful pages) and adds attention to what third-party sources say about you. Results are hard to measure precisely because AI answers vary.

What it is

AEO, also called generative engine optimization (GEO), targets AI-written answers in tools such as ChatGPT, Perplexity, Gemini and Google’s AI features, rather than only blue-link rankings. IonBin uses both terms. They describe the same work.

How it works

  1. Make pages crawlable and answer questions plainly, with the short answer first and the evidence after.
  2. Keep facts about your business clear and consistent across your own pages and third-party profiles.
  3. Earn mentions on sources that answer engines already cite for your category, then monitor a fixed set of prompts over time.

Ross Simmonds suggests a simple version of step 3: run about 20 key prompts across ChatGPT, Claude and Perplexity, log the domains they mention, and earn mentions on the ones that repeat. That’s a practitioner method with no published results, so treat it as a view.

Benefits

  • Visibility where buyers increasingly start research.
  • Most of the work also improves classic SEO and the customer experience.
  • It forces clarity about what you do and for whom.

Limits and risks

  • Google says its AI features have no additional requirements beyond normal SEO, and you don’t need special files or markup. Treat vendor “AEO hacks” with skepticism.
  • Rand Fishkin argues that citations are correlated with, not proven to cause, which brands AI answers recommend (his post).
  • Answers vary across runs and engines, so track trends, not single results.

Best-fit stacks

Stack 04

Marketing content & social

Research, write, design and publish on-brand content, with the agent handling the first draft of everything.

Agent compatibility

Not tool-specific. See Agent-ready for connector support by tool.

Levels come from each tool's recorded, sourced compatibility. How the levels work.

Sources

  1. AI features and your website · Google Search Centralofficial accessed Oct 17, 2026
  2. Creating helpful, reliable, people-first content · Google Search Centralofficial accessed Oct 17, 2026
  3. LinkedIn post on AI citation research misconceptions · Rand Fishkin, 2026-03-05Practitioner view accessed Oct 17, 2026
  4. AI consistency research whiteboard (video) · Rand FishkinPractitioner view accessed Oct 17, 2026
  5. Post on earning mentions where AI answers already look · Ross Simmonds, 2026-07-30Practitioner view accessed Oct 17, 2026

Practitioner views are restated in our words and labeled as views, not measured results. Product facts come from official sources dated above.

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