GEO replaces SEO.
Most AI tools still lean on search results and well-ranked pages. GEO builds on SEO; it does not replace it.
Definition
What is generative engine optimization (GEO)?
Generative engine optimization (GEO) is the work of getting a business named and cited in answers from AI tools such as ChatGPT, Gemini, Perplexity and Google's AI Overviews. It combines clear, quotable answers on your own pages with consistent facts and mentions on the sites those tools read.
Last updated · Written by Kanchana Delgoda, Co-founder, Digital Marketing & Growth Hacking Specialist
Compared
How does GEO compare with SEO, AEO and AIO?
The four terms overlap. The difference is where the result appears and what counts as winning.
| Term | What it is | Where it shows | What it measures |
|---|---|---|---|
| SEO (search engine optimisation) | Making pages easy for search engines to find, understand and rank in their normal results. | Google and Bing results pages, including Google Maps for local searches. | Rankings, clicks, organic traffic and the enquiries it brings. |
| AEO (answer engine optimisation) | Shaping content so a search engine or assistant can lift it as the direct answer to a question. | Featured snippets, “People also ask” boxes and voice assistants. | How often your page is used as the answer. |
| GEO (generative engine optimisation) | Getting a business named and cited in answers written by AI tools. | ChatGPT, Gemini, Perplexity, Copilot and Google’s AI Overviews and AI Mode. | Mentions and citations across the questions customers ask, and visits from AI tools. |
| AIO (AI optimisation) | A broad label for all work aimed at AI systems; often used for Google’s AI Overviews in particular. | Mostly Google’s AI Overviews and AI Mode; sometimes any AI answer. | Appearances and citations in AI-generated results. |
How does GEO work, in principle?
When someone asks an AI tool a question, the tool does not search once and copy the first result. Many tools run several searches behind the scenes, read a set of pages and listings, and write an answer from what those sources agree on. The businesses that end up named are the ones the tool could describe with confidence.
Confidence comes from two places. The first is your own pages: whether they answer the question plainly, near the top, in words a person would use, and whether machines can read who you are and what you do. The second is everything else the tool reads about you: your Google Business Profile, reviews, directories, articles and social profiles. When those sources agree, the tool has something solid to repeat. When they disagree, or say nothing, it names someone else.
That is why GEO is partly a writing job and partly a consistency job. A brilliant page cannot outweigh a web that describes the business three different ways, and a perfectly consistent listing cannot help a business whose own site never answers the question.
Why does GEO matter for businesses in Sri Lanka?
AI tools are no longer a niche. ChatGPT alone passed 800 million weekly users in October 2025, and surveys of local buyers show many now ask AI tools for recommendations before they search. In Sri Lanka, the same questions are asked about hotels, clinics, schools, restaurants and agencies.
The answers are short. Where a search page offers ten results and a map, an AI answer usually names three or four businesses. For a guest house in Ella or a dental clinic in Nugegoda, not being one of those names means not being considered at all, even if the business ranks well on Google.
There is also an early-mover effect. Many Sri Lankan businesses still have thin websites, missing listings and inconsistent details across the web. That makes the bar for being the clearest, most consistent answer lower here than in more crowded markets, for now.
Common misconceptions
What do people get wrong about it?
You can pay to be recommended by ChatGPT.
Organic AI answers are written from sources the tool trusts. Being one of those sources is earned, not bought.
GEO is just adding an llms.txt file or schema.
Structure helps machines read a site, but what gets a business named is clear answers and consistent facts across many sources.
Only big brands get named.
AI tools name businesses they can describe confidently. A small business with clear, consistent information can be named ahead of a larger one with a messy footprint.
Evidence
What does the research say?
ChatGPT passed 800 million weekly users in October 2025.
TechCrunch, 6 October 202545% of consumers use ChatGPT or other generative AI tools for local business recommendations.
BrightLocal, Local Consumer Review Survey 2026When an AI summary appeared in Google, people clicked a regular result in 8% of visits, against 15% without one.
Pew Research Center, July 2025
Questions
Frequently asked questions
GEO stands for generative engine optimization: the work of getting a business named and cited in answers written by AI tools such as ChatGPT, Gemini, Perplexity and Google’s AI Overviews.
No. SEO aims to rank pages in search results; GEO aims to get a business named inside AI-written answers. They overlap heavily, because AI tools often read the same well-ranked pages, but they measure success differently.
They name businesses they can describe with confidence, based on what several sources agree on: the business’s own pages, its Google listing, reviews, directories and articles. Clear answers and consistent facts make a business easier to name.
By asking AI tools the questions customers ask, regularly, and recording whether the business is named, where, and which sources are cited, alongside visits that arrive from AI tools.
Changes to your own pages can be picked up within weeks, but changing what the wider web says about a business takes months. Like SEO, GEO is steady work rather than a one-off fix.
Read next
Where to go from here
GEO vs SEO vs AEO vs AIOThe four terms side by side.What is AEO?Answer engine optimization, explained.GEO, AEO and AIO servicesHow our team helps businesses get named in AI answers.AI search FAQTwenty answers on GEO, AEO, schema and entities.Not in the Answer (free book)Why AI recommends your competitors, with the research behind it.
Next step
Talk to our team about GEO for your business
Our team will check what ChatGPT, Gemini and Google AI say about your business today, and what it would take to change it.