More and more people ask their questions not of Google but of ChatGPT, Perplexity or the AI overviews in Google Search – and get a finished answer with a few cited sources instead of a list of links. For businesses that creates a new goal: not just to rank, but to be cited. The term that has stuck for this is Generative Engine Optimization (GEO). This guide explains how AI answers choose sources and how to appear in them.
In brief
- AI answers cite few sources – the goal is to be one of them.
- AI systems favour clear, structured, trustworthy content that answers a question directly.
- Mentions and citations on third-party sites (comparisons, directories, press) count strongly.
- A consistent brand/entity presence (the same details everywhere) helps AI place you.
- GEO builds on good SEO – it does not replace it.
How AI answers choose their sources
AI search systems do not produce answers from nothing: at runtime they retrieve matching content, summarise it and cite a few sources. Simplified, they pick content that answers a question directly and clearly, comes from a trustworthy source and fits the context of the question. To appear in those answers you must supply exactly that kind of content – and be confirmed as credible by others.
Content that gets cited
- Answer first: the core answer is clear at the top, not hidden after 500 words of intro.
- Structure: clear headings, short paragraphs, lists, FAQs – easy to extract.
- Concrete and backed up: numbers, examples, sources rather than vague marketing speak.
- Freshness: maintained, dated content is drawn on more readily.
- Structured data: schema markup (e.g. FAQ) helps machines understand.
The good news: the same qualities also make content better for classic SEO and for people.
Beyond your own site: mentions and entity
AI systems trust not only your own website but the picture the whole web paints of you. Two levers are decisive: mentions and citations on third-party sites (industry comparisons, directories, trade press, credible lists) and a consistent entity presence – the same details about name, services and location everywhere, ideally backed by well-known reference points. The clearer and more consistent your digital picture, the more easily an AI places you correctly and names you.
Visibility across the different systems
AI answers draw on different sources: some systems rely heavily on established search indexes, others on their own web crawls, and Google’s AI overviews on the Google index. In practice that means: make sure your pages are cleanly indexed by search engines and technically accessible. A business invisible in classic search usually does not appear in AI answers either.
GEO does not replace SEO
GEO is not a new discipline that supersedes SEO but builds on it. A technically sound, content-strong, trustworthy website is the base for both ranking in classic results and being cited in AI answers. Treat GEO as an extra lens on your content: answer more clearly, structure better, build credibility beyond your own site – and measure whether you appear in the relevant AI answers.
Frequently asked questions
What is GEO?
Generative Engine Optimization – optimising to be cited as a source in AI answers (ChatGPT, Perplexity, Google AI Overviews) rather than only ranking in classic search results.
How does an AI choose its sources?
It favours content that answers a question directly and clearly, comes from trustworthy sources and fits the context – drawing on the overall picture from the web.
What can I do on my website?
Answer first, clear structure, concrete and backed-up details, freshness and structured data (schema). The same things help classic SEO too.
Do mentions on other sites count?
Strongly. Citations and mentions in comparisons, directories and trade press, plus a consistent brand presence, help AI place you as credible.
Does GEO replace classic SEO?
No. GEO builds on good SEO. A business invisible in search usually does not appear in AI answers either.
How do I measure success?
By checking whether and how you are named in relevant AI answers, and watching the resulting website traffic and enquiries.
Related services
Become visible in AI answers
We check how visible your content is to search engines and AI answers and show the next steps for GEO and SEO.