What is GEO? How generative engine optimisation works

What is GEO, in simple terms?

The abbreviation GEO stands for Generative Engine Optimisation, also known as generative search optimisation. It refers to content and technical work that helps information on a business website be found, understood and, where appropriate, used as a source in AI-generated search answers.

In conventional Google search, people usually choose pages from a list of results. AI-based search interfaces may instead combine information from several sources into one summary or comparative answer. For a business, it may then matter whether the answer accurately describes its services and includes a link to the original website.

Important distinction: GEO is not a separate Google registration or a magic solution you can buy instead of SEO. Google's official position is that optimising for generative AI search remains part of search engine optimisation.

Why are we talking about generative engine optimisation at all?

Imagine a business manager who needs a new customer management system but doesn't know whether to choose subscription software or bespoke development. They might search for 'custom CRM development', then open several suppliers' websites. In an AI search engine, they might ask a longer question: 'When is a custom CRM better for a 12-person team, and what should I check when requesting a quote?'

In the first case, the search results list and clicks to websites are the main route. In the second, the search interface can already summarise the criteria and suggest sources for more detail. In both, users want credible, understandable information that answers their particular question.

A good GEO foundation is therefore a website that clearly explains your real services, terms, available solutions and limitations. The aim is not to rewrite the same sentence with more and more keywords.

How do AI search engines find and use websites?

Platforms work differently, so there is no single algorithmic recipe that applies to every AI search engine. Google's AI search features, for example, build on its existing search index and ranking systems. For some complex queries, they may run several related searches and then combine the information found into an answer.

It's useful to distinguish four different outcomes:

1. Search result: your website appears among conventional organic links.
2. Brand mention: an AI answer names your business. That does not necessarily include a clickable source.
3. Source citation: the answer links to a relevant page of your website. This still doesn't mean anybody will click it.
4. Enquiry or contact: a visitor reaches your website, understands your offer and gets in touch.

These four events are not equivalent. A citation creates an opportunity; the business outcome depends on real enquiries and suitable projects.

Our existing guide to visibility in AI-powered search explains differences between ChatGPT Search, Google's AI features and Copilot in more detail.

What are the practical foundations of GEO?

1. Clear service pages with distinct subjects

A description such as 'we do everything digital' makes it hard to tell which problems a business actually solves. A good service page names the job, explains when the service is suitable, what it includes and how to request a quote. If different services involve genuinely different buying decisions, they may deserve dedicated pages.

2. Answering real questions

Business owners don't just want to learn terminology. They often want to know which solution to choose, what determines the price, how much work a transition involves, what risks to consider and how to check the outcome. Factual answers to these questions help visitors more than a long generic keyword list.

3. A structure that's easy to follow

Natural heading hierarchy, understandable paragraphs, internal links to related guides and easily accessible important text help both visitors and crawlers. Google explicitly recommends traditional SEO foundations for generative results too.

4. Verifiable professional claims

When an article mentions a technical rule, method or statistic, provide the appropriate source or explain the limitations of an assumption. For your own services, be clear about what the provider commits to and what depends on each project. Invented client testimonials and guaranteed AI rankings do not make content credible.

5. Working technical SEO

Your website must be accessible and processable by search engines. Accessible relevant text, internal links, suitable indexing settings and mobile usability matter. For citations in Google's AI search features, indexing and eligibility to appear with a search snippet are prerequisites; they are a foundation, not a visibility guarantee.

GEO and SEO: competitors or one strategy?

Traditional SEO improves findability in search engines, the ability of useful pages to rank and relevant organic traffic. GEO focuses on making that same work understandable, citeable and visible in AI-generated answers. Many tasks overlap: solid technical foundations, independently useful content, clear service structure and consistent information.

What differs is the observed search context: conventional search often starts with a page's ranking in results, while an AI answer may first show a mention or citation. These need separate interpretation, while the ultimate business goal is the same: helping suitable customers find you.

We explain the specific criteria, potential mistakes and priorities in our separate SEO versus GEO comparison guide.

Do you need special AI schema or llms.txt for GEO?

According to Google Search documentation, no special AI schema, machine-readable text file or new AI-only markup is required for a page to qualify as a source for AI Overviews or AI Mode. Structured data can still help traditional search features when it matches visible content. The llms.txt file may be relevant to some other services, but it doesn't automatically improve visibility in Google Search.

Similarly, no setting guarantees that a business will be mentioned in every AI answer. The query, the sources used and the interface can all affect the response.

A simple GEO self-check for business owners

Think of one important service and check whether a first-time visitor can find answers to these questions on your website:

• Does one sentence explain who the service is for and which problem it solves?
• Is there a dedicated explanation of the work, main process stages and information needed to request a quote?
• Is the price or pricing logic understandable when relevant and suitable for publication?
• Can visitors navigate from an informative article to the appropriate service page?
• Is the page reachable from search, indexable and readable on mobile?
• Can a new visitor see who is responsible for the information and how to contact them?

If several answers are missing, improving these fundamentals makes more sense than looking for separate 'AI ranking tricks'.

What can you measure, and what can't you?

In Google Search, Search Console data reveals visibility, indexing and available signals about generative AI appearances. Other AI interfaces may provide different traffic or citation data. AI answers can change over time and between queries, so one test prompt or screenshot does not measure nationwide visibility.

What ultimately matters is whether relevant prospects are among the people reaching your site. Our guide to ChatGPT and AI search visibility covers measurement, bots and differences between platforms.

Frequently asked questions about GEO

Related Knowledge Base guides and professional sources

Once you understand the basics of GEO, explore how it relates to SEO, what Google AI Overviews are and how AI search interfaces differ.