SEO vs AEO vs GEO: What Each Means and Which to Learn First

If you have heard "SEO", "AEO" and "GEO" in the same breath and felt lost, you are not alone. SEO vs AEO vs GEO is confusing because the three terms overlap. Here is the short version. SEO is how you get found in Google. AEO is how you give a clean answer that a search engine can lift out. GEO is how you get named inside an AI answer, such as one from ChatGPT or Google's AI overviews. You do not need all three at once. Start with the basics that all of them share.

TL;DR

• SEO gets you a click from Google's list of links.
• AEO gets your answer picked as the direct answer on a results page.
• GEO gets your brand named inside an AI tool's reply.
• Start with the customer questions on your site. All three depend on them.

The three terms in plain English

SEO (search engine optimization) is the older practice. You make pages that Google can find and rank for a search, such as "invoice template for freelancers". A reader clicks a result and visits your page. This has been the core of marketing for online businesses for two decades.

AEO (answer engine optimization) focuses on the answer box. Search engines often show one direct answer at the top of the page. AEO means writing a short, clear answer to a question, near the top of a page, so the engine can use it. The goal is to be the answer, not just a link.

GEO (generative engine optimization) focuses on AI tools that write an answer from many sources. ChatGPT, Gemini and Google's AI mode do this. When someone asks, "What is the best invoicing tool for freelancers?", the AI writes a reply and may name a few products. GEO is the work of getting your product named, or cited as a source, in that reply.

Sources disagree on how separate these three are. Many experts treat them as layers. Good SEO helps AEO and GEO, but AEO and GEO also depend on how other sites describe you.

What matters most for a beginner

Here is what the research points to, in order of how much effort it takes.

1. Know the questions your customers ask. Write them down. Ask your sales team, read your support emails and search forums where your buyers talk.
2. Answer each question on your site. Give a direct answer in the first two or three sentences of the page. Then add the detail.
3. Be named by other sites. Brand mentions on other websites show the strongest link to AI visibility in one large study of 75,000 brands by Ahrefs. A mention can come from a review, a directory or a customer story.
4. Keep your facts current. Old prices and old product names are a common reason an AI tool gets you wrong.

You do not need schema markup, a special file for AI tools or a new domain. An Ahrefs test found that schema markup had no clear effect on AI citations. An analysis of 300,000 domains by SE Ranking found the same for llms.txt.

Common beginner mistakes

Beginners often spend their first month on the wrong work. These are the mistakes we see most:

• Buying a tool before choosing questions. A tracker shows you a number. It does not tell you what to write. Pick the questions first.
• Rewriting the whole site. Start with one page. One clear answer beats twenty vague pages.
• Judging a single run. AI answers change from one run to the next. A single missing mention means very little.
• Hiding the answer. A long story before the answer makes the page harder to quote.

Why people get confused

The terms are new, and the vendors who sell tools use them to sell. Some use "GEO" to mean any work on AI answers. Others use it for a paid tracking service.

Search volume points to real interest. A Similarweb blog reported about 54,300 monthly searches for "Generative Engine Optimization" in January 2026, against about 30,000 for "Answer Engine Optimization". That is one vendor's figure, so treat it as a sign of interest, not a measurement.

The bigger problem is absence. In a 2026 index of businesses in Florida, Evoke Strategy tested nearly 30,000 businesses across four AI platforms. Most of them, 94%, did not appear in any of the AI searches tested. Among the few that did appear, visibility was uneven. A business showed up for some questions and not for others.

What to do this week

1. Pick five questions a buyer would ask an AI tool about your category. Write them as the buyer would type them.
2. Ask each question in ChatGPT and in Google. Note whether your brand appears and which competitors do.
3. Answer one question on your site. Put the direct answer first, then the details, then a short list of steps or facts.
4. Check one fact on your site that an AI tool could get wrong, such as a price or a feature name. Fix it and note the date.
5. Repeat the five questions in four weeks. Track the change. Do not judge the result on one run.

If you want the step-by-step version of the ChatGPT check, read how to check whether ChatGPT recommends your business. For the reasons answers change from run to run, read why AI answers change.

Where to start

Start with the questions, not the jargon. The three terms are useful for talking to a specialist. They do not tell you what to write on Monday. If you have only an hour a week, answer one customer question well, then check whether AI tools mention you for it.

If you want a tool to run the five-question check for you each week, start with AgenticSEO and see the results in one place.

Check your AI visibility free: see which prompts name you, and which name your competitors. Start free