What is answer engine optimization (AEO)?

What does AEO stand for?

AEO stands for answer engine optimization. An answer engine is any tool that replies to a question with a direct answer instead of a page of links: ChatGPT, Gemini, Claude, Perplexity, Microsoft Copilot, and Google's AI Overviews all count.

So AEO is the work of making your business easy for those engines to find, trust and quote, so that when someone asks a question your business answers, the engine names you.

How is AEO different from SEO?

AEO and SEO share a lot of the same groundwork, but they aim at different targets. SEO tries to rank your page in a list of results. AEO tries to make your business the answer, or one of the cited sources behind it. (AEO is also often used interchangeably with GEO, generative engine optimization. If you have seen both terms and are not sure they differ, see AEO vs GEO.)

How do answer engines decide who to name?

Answer engines do not read one page and stop. They pull from many sources, weigh which ones look trustworthy, and synthesise an answer, then cite a few. For a business, that means your presence across the wider web matters as much as your own site.

Three things move the needle. First, be quotable: give clear, specific, self-contained answers an engine can lift. Second, be present on the sources engines lean on, the directories, review sites and best-of lists they read. Third, be current and credible, with genuine reviews and up-to-date facts. Research on generative engine optimization found that adding statistics, citations and clear sources can raise how often a page is used in AI answers by up to 40 percent (Aggarwal et al., 2024).

We see the same pattern in our own checks. In one audit of an established London clinic, AI assistants named it in just 19 of 135 answers, and leaned on a medical directory as the cited source 69 times, not the clinic's own website. The lesson is blunt: if you are absent from the sources AI trusts, you stay out of the answer, however good your own site is.

What does AEO look like in practice?

AEO is not a trick or a single setting. It is a short list of practical moves that compound, and most need no marketing background. For the full step-by-step version, see how to improve your AI search visibility.

• Answer real questions clearly on your own pages, in language a person and an engine can both quote.
• Get listed and consistent on the directories, review sites and best-of lists that answer engines cite in your field.
• For a local business, keep your Google Business Profile complete and earn recent, genuine reviews.
• Show your content is current, with specific facts and a visible last-updated date.
• Re-check over time, because AI answers change from run to run and no single check tells you much. If you want to follow it properly, see the metrics that matter.

Common AEO mistakes to avoid

A few habits waste effort, and some actively hurt. These come up again and again, and each is easy to avoid once you know it.

• Writing a separate version of your content just for AI. Search engines treat that as scaled content abuse, and one clear page serves people and answer engines alike.
• Keyword stuffing. It reads badly to people and lowers AI visibility rather than raising it.
• Treating schema or an llms.txt file as a switch. They can help, but neither forces an engine to name you, and Google says no special files are required to appear in Google's AI Overviews.
• Judging from a single check. One prompt on one assistant is close to a coin flip, because answers change from run to run, so measure across many runs before you conclude anything.
• Ignoring reviews and your Google Business Profile. For local queries these often decide who gets named, and they are the easiest wins to overlook.

Do you need an AEO tool?

You can start without one, but a tool helps you see where you stand and what to fix. A good AEO or AI-visibility tool checks whether the assistants your customers use actually name you, shows who they name instead, points to the sources to get onto, and tracks the metrics that matter over time.

If you are comparing options, see our honest comparison of AI visibility tools and how to choose one. If you would rather understand your options first, do it yourself, use a tool, or hire help walks through each route.

AEO for local businesses

For a local business, AEO comes down to one moment: a customer asks an assistant for the best option near them, and the answer either names you or names a competitor. That is the whole game, and it is happening whether or not you are watching.

The good news is that the moves above are within reach for an owner, no marketing team required, and our AI SEO guide for a small local business walks through the local checklist. The fastest way to start is to see where you stand today: run a free Peekl check to find out whether ChatGPT, Gemini and Claude recommend your business, who they name instead, and the sources behind those answers.