What Is AEO? Answer Engine Optimisation Explained

AEO stands for Answer Engine Optimisation. It's what happens when someone asks ChatGPT, Claude, Perplexity or Google's AI Overviews a question, and the AI names your business or cites your website as part of its answer. I tell every client the same thing: don't treat AEO as its own separate project. It's what naturally follows once your SEO fundamentals, and your presence across your website, social channels and review sites, are solid enough for an AI system to find, trust and actually quote you.

What Is AEO?

AEO is short for Answer Engine Optimisation: getting AI systems, ChatGPT, Claude, Perplexity, Gemini, Google's AI Overviews, to name your business or cite your website when they answer someone's question. It's a newer term, and definitions of it are still converging across the industry, but the core idea is consistent wherever you look (see Onely's guide to AEO for one widely cited version).

The simplest way I explain it to clients: if someone asks an AI tool a question your business could answer, does the AI mention you? That's AEO working. If it doesn't, or worse, if it recommends a competitor instead, that's AEO not working yet.

“Answer engine” is a broader umbrella than any one platform. It covers chat assistants like ChatGPT and Claude, AI-native search tools like Perplexity, and features built into existing search engines like Google's AI Overviews. They all work slightly differently under the hood, but AEO as a discipline is about being findable and citable across all of them, not optimising for just one.

How AI Systems Actually Decide What to Cite

Ask ChatGPT a question and, behind the scenes, it typically does two things: it retrieves a handful of pages it judges relevant to your question, then it synthesises an answer from what it finds, deciding which of those sources to name or link. That's different from how a classic Google search works, where a page either ranks or it doesn't, and the user does the reading themselves.

That difference matters for how you think about your own content. A page can be technically well optimised for keywords and still be a poor source for an AI system to cite, if it doesn't actually answer the question clearly, doesn't read as trustworthy, or contradicts what's said about your business elsewhere. Equally, a shorter, plainer page that answers a specific question directly can outperform a longer, more polished one that buries the answer three paragraphs down.

This is why I keep coming back to fundamentals rather than tactics. An AI system is, in effect, a very fast, very literal reader, and it rewards the same clarity a rushed human reader would.

How I Actually Saw This Work: The BigFundr Story

This isn't theoretical for me. A prospective client found ALF Design Group because they asked an AI tool something close to “who built the Bigfundr app?”, and my company came up in the answer. BigFundr is one of our portfolio projects, and it's public enough, described consistently enough across the web, that an AI tool could confidently connect it back to us.

They didn't search “web design agency Singapore” and scroll through ten results. They asked a direct question and got a direct answer, and I was in it. That's the whole idea of AEO in one sentence: showing up inside the answer, not just inside a list of links.

BigFundr isn't a fluke either. It comes up because the story of what we built, and how, is told the same way in more than one place: on our own site, in how I talk about the project, in how it's described elsewhere. If your own case studies or your own expertise live in only one place, in your head, in a pitch deck, on a single page nobody links to, an AI system has far less to work with when it's deciding whether to mention you.

AEO vs SEO: Why I Don't Tell Clients to Rush Into AEO

My honest advice to every client is the same: focus on SEO first. AEO follows from that, it doesn't replace it, and treating it as a separate initiative is usually a waste of budget.

The reason this matters commercially, not just academically, is the scale of the shift. Zero-click searches, where someone gets their answer without visiting any website, already account for a majority of queries, and AI Overviews alone now appear on a majority of US searches (see Onely's breakdown of the numbers). If an AI system answers a question about your industry and never mentions you, you don't just lose a click. You lose the moment entirely, because the buyer may never see a traditional results page at all.

I don't tell clients to go chase AEO as its own initiative. What I actually tell them is this: get your SEO basics genuinely right, and your chances of being cited by an AI system go up as a side effect. AEO isn't really a separate skill you bolt on top of SEO. It's closer to what SEO looks like when it's done properly and structured in a way an AI system can read cleanly.

Where AEO does ask something slightly different of you is that it isn't only about your website. AI systems build their picture of your business from more than one place.

The 'Funnels' Concept: Give AI More Places to Find You

Think of every place your business shows up online, your website, your social media, your Google Business Profile, review sites, industry directories, as a funnel feeding an AI system information about you. The more consistent, accurate funnels there are, the more confident an AI system can be citing you.

A quick example of what breaks this: your website describes you as a “Webflow design agency”, your Google Business Profile lists you under general “marketing agency”, and a review site calls you a “web developer”. To a person, that's just inconsistent labelling. To an AI system trying to decide whether these three listings all describe the same, trustworthy business, it's friction, and friction is exactly what makes a system less confident citing you.

This is close to what my colleagues in entity-based SEO call entity authority: being consistently and accurately described across the web, not only on your own site. If you want the deeper explanation of how that's built, that's the right guide to read next.

Where llms.txt Actually Fits In

llms.txt is one of the newer technical pieces of this, and worth knowing about, but I wouldn't put it at the top of anyone's list. It's a plain text file, proposed by Jeremy Howard of Answer.AI in 2024, that sits at yoursite.com/llms.txt and gives AI systems a clean, token-efficient map of a site's core pages (see the official llms.txt specification).

Here's the honest state of it as of 2026: roughly 10% of websites have one, but the major AI crawlers, OpenAI, Google and Anthropic, don't yet request it in any meaningful volume (Search Engine Land's coverage of the standard has the detail). It's worth doing once your fundamentals are in place. It is not, on its own, going to get you cited. For the full technical walkthrough of getting your site AI-crawler-ready, see our guide on how to appear in AI-generated search results.

What AEO Doesn't Mean

Misconception: It's a Separate Discipline That Needs New Tools

AEO doesn't mean doing more than good SEO already requires. In my experience, the businesses that get this wrong usually aren't making some obvious mistake, they've just read something telling them to do far more than is actually necessary: a new tool here, a new checklist there, stacked on top of each other, often before the basics are even solid.

What actually works is simpler: optimise your website to the fullest extent of good SEO practice, and answer your users' real questions properly. Do that consistently, and it gets picked up. I'd rather a client spend a month fixing thin service pages than a month evaluating five different AEO monitoring tools.

Misconception: Results Should Be Instant

It also doesn't mean instant results. You're optimising, not flipping a switch. That's worth saying plainly because 37% of consumers now start their search with an AI tool rather than a traditional search engine, which is a genuinely large shift, but it doesn't change the timeline for your own content.

In a competitive market like mine, web design and Webflow development in Singapore, where established agencies already have a strong footing, it can take longer before that visibility shows up than it might in a less contested category. That's expected. It isn't a sign that AEO isn't working, and I'd be cautious of anyone who promises otherwise.

Where to Start This Week

Before anything else, check your basic SEO health. Not llms.txt, not a new AEO tool, your fundamentals.

• Is your site indexed properly, with no major crawl errors?
• Do your service pages answer the actual questions a buyer would ask, clearly, near the top of the page?
• Is your content accurate, current, and specific to what you actually do?
• Is the same core information, what you do, who it's for, where you're based, described consistently across your own pages?

None of this requires new software. It requires an honest, page-by-page look at what you already have.

Once that's solid, look at your funnels: is your business described the same way on your website, your social channels, and any directories or review platforms you're listed on? For the specific way to track whether any of this is translating into AI visibility, see our guide on AEO metrics that matter.

Frequently Asked Questions

Does AEO work the same way across ChatGPT, Claude, Perplexity and Google AI Overviews?

Not exactly. Each platform retrieves and cites sources slightly differently, and some are more transparent about their sources than others. The underlying principle holds across all of them though: clear, accurate, consistently described information gives every one of these systems more confidence to cite you.

Do I need to hire someone specifically for AEO?

Usually not. If your SEO or content person already gets the fundamentals right, clear answers, accurate information, consistent presence across channels, AEO tends to follow from that work rather than needing a separate hire or a separate budget line.

Can I check whether my business is already appearing in AI answers?

Yes. Ask the AI tools your customers are likely to use the kinds of questions they'd actually ask about your industry, and see whether you're named. It's manual, but it's a genuinely useful starting point before investing in anything more formal.

Is AEO the same as GEO (Generative Engine Optimisation)?

Mostly, yes. GEO is the term you'll see more in academic and research contexts, AEO is the one that's stuck in industry and client conversations. Both describe the same underlying goal: getting AI systems to use and cite your content when generating an answer. I use AEO because it's the term clients actually ask me about.

Conclusion

If you take one thing from this: don't start with AEO. Start with whether your SEO fundamentals are actually solid, because that's the part that's within your control this week.

A few concrete places to look: audit whether your service pages answer real buyer questions directly, check that your business is described consistently across your website, socials and any directories you're listed on, and hold off on chasing every new AEO tool or checklist until those basics are genuinely handled.

If you want a second pair of eyes on where your site actually stands, that's exactly the kind of audit my team and I run for clients. Get in touch and we'll show you where you're strong and where you're leaving visibility on the table.

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