All terms

Answer Engine Optimisation

The practice of optimising content so AI answer engines extract and cite it.

Key takeaways

  • Answer Engine Optimisation is the practice of optimising content so AI answer engines extract and cite it.
  • Answer each page's main question in the first couple of sentences, in plain words.
  • Avoid: treating AEO as a replacement for SEO rather than building on it.

What is Answer Engine Optimisation?

AEO complements SEO by structuring pages around extractable claims, clear definitions, and verifiable sources. Engines like ChatGPT, Perplexity and Google AI Overviews increasingly drive discovery.

Semrush has tracked how often answer panels appear and which queries trigger them in its AI Overviews study.

Why Answer Engine Optimisation matters for AEO in 2026

More research now starts in ChatGPT, Perplexity or Google's AI Overviews, which answer the question and cite a few sources. If your page isn't one of them, you're missing from the answer even when you rank.

For a wider view of where this fits, see our full AEO glossary or explore the SEO and GEO service we run for clients.

How to apply Answer Engine Optimisation on your site

Knowing the concept is only half of it. Work through these steps in order to put Answer Engine Optimisation into practice on your own pages:

  1. Answer each page's main question in the first couple of sentences, in plain words.
  2. Make sure AI crawlers can read the page as real HTML, without needing JavaScript.
  3. Test your buyers' real questions in each engine monthly and note who gets cited.

Common mistakes to avoid

Most sites that struggle with Answer Engine Optimisation fall into the same traps. Check your pages against each of these before moving on:

  • Treating AEO as a replacement for SEO rather than building on it.
  • Writing long introductions before getting to the answer.
  • Expecting guaranteed citations; engines change their sources constantly.

Questions about Answer Engine Optimisation

The practice of optimising content so AI answer engines extract and cite it.

More research now starts in ChatGPT, Perplexity or Google's AI Overviews, which answer the question and cite a few sources. If your page isn't one of them, you're missing from the answer even when you rank.

Start here: answer each page's main question in the first couple of sentences, in plain words. Then make sure AI crawlers can read the page as real HTML, without needing JavaScript.

The most common is treating AEO as a replacement for SEO rather than building on it. Another is writing long introductions before getting to the answer.

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