GEO vs. SEO vs. AEO: what’s the difference?

A quick comparison

The acronyms get thrown around a lot, sometimes as if they’re three separate jobs. In practice, the edges blur. Use the names to clarify what you’re trying to improve, then look at the actual work and how you’ll know whether it helped.

SEO is the shared foundation

Here’s the part that gets lost in the acronym debate: Google says the same SEO fundamentals apply to AI Overviews and AI Mode. A page still needs to be indexed and eligible to show a snippet. There’s no special markup or secret AI file you need to add. Good technical access and useful content still do the heavy lifting.

AEO makes the answer easier to use

AEO is about helping someone get to a clear answer without losing the details that make it true. If a customer asks a specific question, answer it plainly, then explain the exceptions, evidence, or next step. Don’t make a short answer so short that it becomes misleading.

GEO considers the brand and its source footprint

Generative answers can pull together information from more than one page. Sometimes they link to sources; sometimes they don’t, and the answer can vary. So GEO asks a wider question than ‘Did this URL rank?’ Does the answer describe your company accurately? Which sources back it up? Would those sources help someone make a decision?

Where the three approaches overlap

Take a well-made service page. Search can discover it. A reader can find a clear answer on it. An AI system can use its specific, accurate details when describing the company. That’s one piece of work helping in three places, not three pages full of slightly different keywords.

• Improve access and information architecture before multiplying thin pages.
• Answer important questions directly, then preserve the nuances and proof a human decision-maker needs.
• Use named, dated sources for factual claims and keep company details consistent.
• Review how real audiences encounter the answer, rather than optimizing only for a vendor dashboard.

What research on GEO does and does not show

A 2024 research paper on GEO reported visibility gains of up to 40% in its own experiments. That’s an interesting result, not a promise for your site. The tests used particular systems and conditions; your audience, prompts, and platforms may behave differently. Treat it as a reason to test clear, well-supported content, not as a guaranteed recipe.

Choose the work by the business question

Start with the problem you can point to. If customers can’t find the right pages, look at technical SEO and site structure. If they find the page but still can’t get a straight answer, improve the content. If AI tools keep getting your company wrong, check the sources they use and track a consistent set of questions. You may end up doing all three, just not all at once.

1. Check that the right page can be found and indexed.
2. Read it as a customer. Can you get a straight answer, and is there proof behind it?
3. Try a few real questions in the answer tools your audience uses.
4. Look at the linked sources and save what you observed for the next check.

Conclusion: use one strategy through three lenses

You don’t have to pick an acronym and ignore the other two. Make the site easy to find, make important answers easy to follow, and check whether AI tools are getting your company right. Start with the problem your customers notice most. Then do the next useful thing and measure what changed.