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All three, and the same website carries all three. SEO vs AEO vs GEO is not a shortlist to choose from: search engine optimisation decides whether you are ranked, answer engine optimisation whether you are the answer, and generative engine optimisation whether an AI assistant quotes you to someone who never sees a list of links. They run on the same pages, the same business facts and the same technical foundation.
The question is being asked now because the three acronyms are being sold separately. A business quoted for SEO last year is quoted for GEO this year, often by the same people, sometimes for the same work. What follows is what each name covers, where they overlap, where they genuinely differ, and the order to tackle them in.
Search engine optimisation is the oldest of the three and still the widest. It covers everything that decides whether a page can be crawled, indexed and ranked: site structure, internal linking, the words a page uses, speed on a real connection, and the reputation other sites lend it. Its unit of success is a click from a results page to yours.
Answer engine optimisation is narrower and more about writing than plumbing: structuring a page so a machine can lift a specific answer out of it. One question per page or section, answered plainly near the top, in the words a customer would use. The term is older than AI Overviews — it grew up around featured snippets and voice assistants — and we have set out what it looks like in practice in answer engine optimisation for service pages. Its unit of success is extraction: your sentence used as the answer, with or without a click attached.
Generative engine optimisation is the newest, and the only one with a traceable origin. A 2023 research paper, later presented at the ACM SIGKDD conference in 2024, coined the name and built a benchmark to test it. The authors reported that their methods boosted a source’s visibility in generative engine responses by up to 40%, though how well they worked varied by subject area. Its unit of success is being one of the sources a generated answer draws on, in a reply that may show no links at all.
Three names, three units of success, one website underneath all of them.


Most of the work is the same work, and Google has been blunt about it. Its documentation on AI features states that there are no additional requirements to appear in AI Overviews or AI Mode, that no new machine-readable or AI text files are needed, and that no special schema.org structured data is required. Whatever GEO is, it is not a separate technical track you buy your way onto.
John Mueller of Google was asked in January whether SEO was still enough or whether businesses needed GEO as well. His answer was that “what you call it doesn’t matter, but ‘AI’ is not going away”, and that the useful exercise is working out how your own audience finds you rather than which acronym to buy.
The shared foundation is short, and none of it is new: a page a crawler can read without running JavaScript, an answer near the top rather than four hundred words down, business facts that agree wherever they appear, a load time a mid-range phone can manage on mobile data, and writing aimed at the person asking. Google’s own guidance on people-first content still describes that last part better than any AI-era checklist, and our readiness check for AI search goes through where a Google-era build fails the rest.

The differences sit in what counts as success, and in how much of it you can see.
The gap has narrowed slightly on the Google side. On 3 June 2026 Google announced a dedicated generative AI performance report in Search Console, rolled out worldwide by 31 August. It shows impressions in AI Overviews, AI Mode and Discover, broken down by page, country, device and date. It does not report clicks — visibility you can count, traffic you cannot.
People Also Ask shows what that looks like in practice. It used to be a reliable way for a well-answered sub-question to earn a click. AlsoAsked sampled 19.2 million English queries this year and found that 97% of People Also Ask answers in the first week of September were AI-generated, up from 86% in August. Being quoted there still counts; the click on the other end of it has largely gone — the same pattern as in why rankings can hold while traffic falls.
Less than the acronyms suggest, and more than carrying on as before. Three things are worth doing deliberately.
Write the facts once, and identically. The business name as registered with SSM, the address, the opening hours, the services you sell today. If the website, the Google Business Profile and an old directory listing disagree, a person shrugs and picks one; a model treats the conflict as uncertainty and reaches for a source that does not contradict itself.
Put the answer in text, on the page. Scope, lead times, coverage areas and what is not included are often locked inside a brochure PDF or a WhatsApp reply. Anything a customer asks before enquiring should exist as readable text — the single change that serves all three at once.
Check where the visit lands. An assistant that describes your business correctly still sends the reader to a page, and that page still has to make enquiring easy on a phone. A working WhatsApp button and a short form matter more after an AI answer than before one: the reader arrives half-decided and with no patience for a second search.
Fund the foundation, because the other two inherit from it. A page that cannot be crawled cannot be ranked, quoted or cited, and no amount of GEO changes that order. Then rewrite the top of the pages that already earn enquiries so each one answers its own question plainly — that is AEO, and it is mostly editing rather than building.
GEO, for a small business, is what remains after those two: being consistent, quotable and worth citing. It is a real discipline with research behind it, and also the acronym most likely to appear twice on one invoice. The test for any proposal is whether the line describes work or only a name.
Not exactly, but the overlap is large. GEO targets a generated answer rather than a ranked list, and it has its own research behind it. The work it asks for — readable pages, accurate facts, clear answers — is almost entirely work SEO already asked for. Treat it as a new success measure, not a new department.
Yes: extraction is how you get quoted in the first place, in search results and in assistants. What has changed is what to expect from it. Being the answer is now closer to being recommended than to being visited, so judge it against enquiries rather than sessions.
Rarely. One scope covering technical health, page structure and the accuracy of your business information serves all three. If a quotation splits them into three retainers, ask for the task list behind each and check whether the same task appears twice.
We do not scope the three as separate projects, because on a real website they are three tests of the same pages. What changes is the order of the work: the pages that already earn enquiries are rewritten first, the business facts are reconciled second, and the technical clean-up is sized against what those two turn up. Our SEO and search visibility work is scoped that way, and for most sites it comes out as a revamp of what already ranks rather than a new build.