SEO vs AEO vs GEO explained in plain English: what each one is, how they differ, and what a small business should do first.
SEO, AEO and GEO share one foundation.
SEO, AEO and GEO are three names for getting found, quoted and recommended online. They overlap, but they are not the same job. Here is what each one means, how they differ, and where a small business should start.
SEO helps your pages appear in the list of results on Google and Bing.
AEO shapes your pages so a search tool can lift a clear answer from them.
GEO is about whether AI assistants like ChatGPT name your business when asked.
All three rest on one foundation: a clear site, accurate details and content that answers real questions.
SEO, search engine optimization, is the work of making your website easy for Google and Bing to find, understand and rank.
When someone types a question into Google, the results page is a list. SEO decides where your business sits in that list.
It has three parts, and a weak one drags down the other two.
Search engines read your pages to work out what you do, where and for whom. That means a page for each service, a title and heading that say so in plain words, and copy that answers the question a customer arrived with. A page called "Services" that says "we deliver solutions" tells a search engine very little. A page called "Kitchen remodelling in Austin" that explains what is included tells it a lot.
Pages need to load quickly, work on a phone, be reachable by a search engine's crawler, and avoid duplicate versions of the same content. These are the dull technical jobs, and skipping them quietly costs you rankings.
Search engines look at whether other trustworthy places mention you: reviews, directories, local press, partners that link to you. A site no one else mentions has to work much harder.
SEO is slow by nature. A new page can take weeks to be indexed and longer to climb, so starting early matters more than starting perfectly.
AEO means writing so that a search tool can pull a clear, direct answer straight from your page.
Answer the question first. Then explain.
Search results increasingly show a short answer above the list: a highlighted snippet, a summary box, a voice reply. Those answers are lifted from pages that state the answer plainly. The practice of writing for them is called answer engine optimization, or AEO.
The idea is simple. People ask questions, and a page that answers the question clearly, near the top, is easier to quote than a page that circles the point for three paragraphs.
Structured data (schema markup) is a block of code on the page that labels things for machines: this is a FAQ, this is an article, this is a business with this address. It does not replace good writing, and it does not guarantee that anything is shown. It helps a machine confirm what the page already says, which is why it is worth adding to FAQ, article and business pages once the content itself is solid.
A side benefit of AEO is that pages written this way are easier for people to read, too.
Being found and being recommended are not the same thing.
GEO is about being named when someone asks an AI assistant for a recommendation.
Assistants such as ChatGPT, Gemini, Perplexity and Microsoft Copilot answer in sentences rather than lists. When the question is "who should I hire?", they name a few businesses. A business that is not named is simply not part of that conversation. Working to be named is what people mean by generative engine optimization, GEO, or sometimes "GEO SEO".
Be honest about what is known. Each assistant draws on different sources, the tools change their methods without notice, and nobody outside them can promise a result. What tends to help is consistent with good practice anyway.
Promises of "rank first in ChatGPT" for a fee. There is no switch to buy, and anyone who guarantees a position is guessing.
The illustration beside this section is an example of an answer, not a real result.
| Metric | SEO | AEO | GEO |
|---|---|---|---|
| Stands for | Search engine optimization | Answer engine optimization | Generative engine optimization |
| Where it shows | The list of search results | Snippets, summary boxes and voice answers | Replies from AI assistants |
| What it needs | Crawlable pages, clear titles, reputation | Direct answers under question headings | Consistent descriptions and outside mentions |
| How you check it | Rankings and clicks in Search Console | Whether your page is the one quoted | Whether assistants name you when asked |
| How fast it moves | Weeks to months | Weeks to months | Unpredictable; check regularly |
They are layers of the same job, and each one makes the next easier.
One foundation. Three places to be found.
It is tempting to treat these as three separate projects with three separate budgets. In practice they share a base.
A clear website with accurate details helps a search engine rank you, helps a snippet quote you and helps an assistant describe you correctly. Content that answers real questions serves all three. Reviews and mentions from other places help all three.
The differences are in emphasis and in how you measure:
Does traditional SEO still matter if people ask assistants? Yes. Many assistants and AI search features lean on pages that are already findable and well reputed, and plenty of customers still use plain search. Treat SEO as the base, not as something AEO or GEO replaces.
SEO first. The other two build on the same foundation.
If your website is unclear, slow or missing key pages, fixing that helps all three at once. A small business with limited time gets more from that than from chasing any one acronym.
Google's free Search Console (opens in a new tab) shows which searches bring people to your site.
Open your main service page. Does the first sentence say what you do and where?
Ask ChatGPT, Gemini and Perplexity who they would recommend for your service in your area. Write down what they say.
Find one place where your name, address or phone differs from the others, and correct it.
You can get a fair picture in an afternoon without any paid tool.
Do the checks in a private window or logged out, so personalisation does not skew what you see. Use the same few questions each time and write the answers in a simple table with the date. Repeat monthly.
For search, use Google Search Console to see which queries already show your site and which pages get clicks. For assistants, ask each one the questions a customer would, more than once, because answers vary.
The point is not to chase a perfect result. It is to see what a customer would see, and to notice what is wrong, missing or out of date. If you want a faster read, our free AI visibility check does this across the main assistants. For a step-by-step version of the assistant check, read how to get ChatGPT to recommend your business.
Our free AI visibility check shows whether ChatGPT, Gemini, Perplexity, Copilot and Google AI Overviews mention your business, what they say and what to fix first.
Mohsin is a product designer who has worked where brand meets product since 2020. Before founding Clarieo in 2025, he was Lead Product Designer on contract for Novum Built World, and spent years as a freelance designer and developer for founders around the world.
SEO aims to get your pages listed in search results. GEO aims to get your business named in the answers AI assistants give. They rely on many of the same foundations, but the places you check and the signals involved differ.
SEO is about ranking in the list of results. AEO is about being the page a search tool quotes as the direct answer. AEO is largely good SEO writing, with each answer stated clearly near the top of its section.
Yes, but not separately from SEO. If your site clearly says what you do, answers common questions and matches your listings, you have done most of the work all three need.
Yes. Many customers still use plain search, and AI features often draw on pages that are already findable and reputable. SEO is the base the other two build on.
No. The assistants decide what to say, and their methods change. Be cautious of anyone who guarantees a result.
It is not required, and it does not guarantee anything. It helps machines confirm what a page says, so it is worth adding once the content is clear.
SEO typically takes weeks to months to show effects. Assistants change often, so check how they describe you every month rather than expecting a fixed timeline.
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