AEO vs SEO: What's the Difference and Do You Need Both?

SEO helps your pages rank in search results. AEO, or answer engine optimisation, helps your content become the answer itself: the featured snippet, the Google AI Overview, the voice assistant reply or the line an AI chatbot quotes. Most businesses need both, and the good news is that one strengthens the other.

What is SEO?

Search engine optimisation improves how your website ranks in the list of results for the searches your customers make. It covers technical health, content that matches what people search for, and authority from links on other websites. Success is measured in rankings, clicks and the enquiries or sales that follow.

What is AEO?

Answer engine optimisation structures your content so search engines and AI assistants can pull a direct answer from it. Instead of competing for a click, you compete to be the source of the answer. Success is measured in featured snippets, appearances in AI Overviews and mentions or citations in AI tools.

The key differences

• Goal: SEO wins the click; AEO wins the answer, and often the click from people who want more detail.
• Format: SEO rewards comprehensive pages; AEO rewards concise, self-contained answers within those pages.
• Query type: AEO matters most for questions such as how, what, why, how much and which is best.
• Measurement: SEO uses rankings and traffic; AEO adds snippet ownership and AI visibility tracking.

How to optimise for both

1. Lead with the answer. Open each section with a one or two sentence answer, then expand.
2. Use question headings. Phrase H2s and H3s the way people ask, such as "How much does a website cost in NZ?"
3. Add FAQ sections to service pages, covering the questions customers ask before they buy.
4. Use lists and tables for steps, comparisons and prices, which are easy to lift into answers.
5. Add structured data such as FAQ, HowTo and Article schema.
6. Keep building authority with links and mentions from reputable sites. Answer engines still prefer trusted sources.

Do you need both?

Yes. AEO without SEO has nothing to stand on, because answer engines mostly draw from pages that already rank or are trusted. SEO without AEO leaves easy visibility on the table as more searches end in an AI answer. Treat AEO as a way of writing and structuring the content your SEO strategy already needs.

For the AI side in more depth, read what generative engine optimisation is.

The takeaway

SEO gets you found. AEO gets you quoted. Build pages that rank, then structure them so the best answer on the page is easy to lift.

See how we combine both in our SEO services and AI search optimisation.