All posts
SEO & AI search

What Is GEO (Generative Engine Optimization)? A Plain-English Definition

What is GEO in SEO? A plain-English definition of generative engine optimization, why it isn't geographic targeting, a worked example and the common mistakes.

By Mehdi Hassan4 min read

The short answer

GEO in SEO stands for generative engine optimization: the work of getting your brand mentioned, recommended and cited in answers written by AI tools such as ChatGPT, Gemini, Perplexity and Google's AI Overviews. It has nothing to do with geographic or local targeting. GEO builds on normal SEO and leans heavily on brand mentions across the web.

Key takeaways

  • GEO means generative engine optimization, not geographic targeting.
  • The goal is to be named and recommended inside AI-generated answers.
  • Off-site mentions correlate with AI visibility more than backlinks do.
  • GEO overlaps almost entirely with AEO and LLM SEO.
  • It still depends on SEO basics: crawlable, clear, trusted pages.

Part of Web Design, SEO and AEO Glossary: 50 Terms Explained Simply

What is GEO in SEO?

GEO in SEO is generative engine optimization: improving how often and how accurately AI systems mention your brand when they generate an answer. Where classic SEO targets a ranked link, GEO targets a sentence like "for a small B2B team, consider X" inside a ChatGPT or Gemini response, ideally with a citation to your site.

The term comes from academic research that studied how content changes affect visibility in generative search engines. Since then it has become a marketing label, used almost interchangeably with AEO (answer engine optimization). You'll find both in our SEO and AEO glossary.

Is GEO the same as geographic or local SEO?

No. In marketing, "geo" has long meant geography: geo-targeted ads, geo pages and local SEO for searches near a location. Generative engine optimization borrowed the same three letters, which causes real confusion in briefs and proposals.

Term

What it means

Main goal

GEO (generative engine optimization)

Visibility in AI-generated answers

Be mentioned and cited by AI tools

Geo-targeting

Showing ads or content by location

Reach people in a specific area

Local SEO

Ranking for location-based searches

Appear in map and local results

AEO

Being the quoted answer in AI search

Be the cited source for a question

Why does GEO matter, and what drives it?

GEO matters because buyers increasingly ask AI tools for recommendations, and those tools decide which brands to name. What drives that choice is mostly reputation across the web, not only what's on your own site.

In Ahrefs' study of 75,000 brands, web mentions correlated 0.664 with AI Overview visibility, against 0.218 for backlinks and 0.326 for Domain Rating. Engines also differ: Semrush's AI Visibility Index found ChatGPT cites about 15 sources per answer against about 3 for Gemini. For how this works in practice, see Generative Engine Optimization: what the research really says.

Worked example: GEO for a B2B startup

For example, suppose a startup selling expense software asks ChatGPT "what's the best expense tool for a 20-person company?" and isn't mentioned. Its own site describes the product in vague terms, and few independent sites talk about it.

The GEO work has two halves. On the site: a clear statement of who the product is for, a comparison page with an honest verdict and a pricing page with plain answers. Off the site: getting the product reviewed, discussed and compared on independent sites buyers trust. Over time, the AI tool has both a clear description and outside sources that mention the brand.

What are common GEO mistakes?

  • Treating GEO as separate from SEO. If engines can't crawl and trust your pages, nothing else helps. Google says its AI features need no special optimization beyond SEO.
  • Publishing self-promotional "best" lists. Peec's analysis of 232,000 citations found these make up only about 4% of ChatGPT citations.
  • Ignoring off-site reputation, the area that correlates most with AI visibility.
  • Measuring only traffic, when many AI mentions never produce a click.

For how GEO, AEO and SEO line up, read SEO vs AEO vs GEO.

Frequently asked questions

What does GEO stand for in marketing?
In current marketing, GEO usually stands for generative engine optimization, which is about visibility in AI-generated answers. In older or advertising contexts, geo refers to geography, as in geo-targeting or geo-fencing. Check the context: if the conversation is about ChatGPT, Perplexity or AI Overviews, it means generative engine optimization.
Is GEO different from AEO?
Only slightly. AEO focuses on being the quoted, cited answer to a question, while GEO focuses on being mentioned and recommended in generated responses, sometimes without a link. In practice the work is nearly identical: clear answers on your pages, a trusted brand and mentions across the web. Many teams use the two terms interchangeably.
How do you measure GEO?
Measure GEO with a monthly prompt audit: run 20 to 30 buyer questions in ChatGPT, Gemini, Perplexity and Google, and record whether your brand is mentioned and cited. Add a GA4 channel group for AI referral sources to see visits. Track the share of prompts where you appear over time rather than individual results.
Do I need a GEO tool?
Not to start. A spreadsheet and a monthly manual check of your key buyer prompts give you a baseline. Dedicated AI visibility tools can automate tracking across many prompts once you know which ones matter. Be wary of tools that promise to raise mentions with technical fixes alone, since reputation drives most of the result.

· CEO & Design Director

Copywriter, designer and developer, and founder of Designify Studio. Over five years, 60+ projects across 14+ industries, for startups that have raised $300M+.

Want this done for you? Website, $8,000.

A multi-page marketing site, written and designed by us, developed in Next.js and animated. $8,000, one-time, up to 6 pages. Book a free 30-minute call to see if it fits.

Schedule Call