What Is Generative Engine Optimisation

Search is no longer a list of blue links. Increasingly, AI systems answer questions directly, selecting which sources to quote, cite, and recommend. Generative Engine Optimisation is the discipline of making your content legible, credible, and citable to those systems — so your business gets included in the answer, not buried beneath it.


The Explainer

For most of the internet’s life, getting found online meant ranking on a search engine results page. You worked on your keywords, your backlinks, your page speed — and if the algorithm liked you, users clicked through to your site. That model is not dead, but it is no longer the whole picture.

Google, ChatGPT, Perplexity, and a growing number of AI assistants now respond to queries with generated answers. They synthesise information from across the web, produce a single cohesive response, and — sometimes — mention the sources they drew on. Whether your business appears in those answers, and how it is characterised when it does, depends on factors that traditional SEO does not address.

Generative Engine Optimisation is the practice of structuring and presenting your content so that AI systems can read it accurately, assess it as trustworthy, and elect to quote or summarise it in their outputs. It sits alongside traditional SEO but addresses a fundamentally different mechanism: not an algorithm that ranks pages, but a language model that selects and synthesises sources.

The discipline covers several overlapping concerns: how clearly your content articulates its subject matter; whether your site signals genuine expertise and authority; how well your structured data, schema markup, and technical foundations communicate meaning to AI crawlers; and whether your brand appears consistently and credibly across the wider web, including in forums, directories, review platforms, and industry publications.

Traditional SEO and GEO are not the same achievement. A page can hold a strong organic position without ever appearing in an AI overview or Perplexity citation, because the signals that drive each outcome differ. Neither discipline replaces the other — a technically sound, well-structured website remains the foundation — but businesses that invest only in traditional SEO are optimising for a version of search that is contracting as a share of total information-seeking behaviour. GEO addresses what comes next.


Frequently Asked Questions

Is GEO the same as SEO?

They share common ground — both are concerned with how your content is discovered and understood online — but they address different mechanisms. SEO targets search engine ranking algorithms. GEO targets the large language models and AI systems that generate direct answers to user queries. You need both, but the techniques and signals that drive performance are not identical.

Which AI systems does GEO apply to?

The major ones are Google’s AI Overviews (which now appear at the top of many Google search results), ChatGPT’s web-browsing and search mode, Perplexity AI, Microsoft Copilot, and Claude. Each uses different training data, different crawl behaviours, and different citation conventions. A robust GEO strategy accounts for all of them, rather than treating them as equivalent.

What does an AI system actually look for in a source?

Language models weight several factors: factual specificity and clarity, consistency of information across multiple sources, the presence of structured data and schema markup, domain authority signals, and whether the content demonstrates genuine expertise rather than generic padding. Thin content, keyword stuffing, and poorly structured pages are unlikely to be cited regardless of their traditional search ranking.

My website already ranks well. Do I still need GEO?

Quite possibly. Ranking well in traditional search and being cited in AI-generated answers are not the same achievement. A page can hold a strong organic position without ever appearing in an AI overview or Perplexity citation, because the signals that drive each outcome differ. An audit will tell you where the gaps are.

Can I measure whether my content is being cited by AI systems?

Not with perfect precision — AI systems do not report citation data in the way that search consoles report impressions. However, there are practical methods: monitoring AI overview appearances in Google Search Console, using tools such as Perplexity and ChatGPT to test how AI systems respond to queries relevant to your business, and tracking brand mention frequency across the web. Over time, consistent signals emerge.

How long does GEO take to show results?

Faster than many people expect for crawl-related changes, slower for reputation-based signals. Structural improvements — schema markup, content clarity, technical compliance — can influence AI citation patterns within weeks of a major crawl. Building consistent citation signals across the wider web is a longer-term process. A phased approach, addressing technical foundations first and then content authority, tends to produce the most durable results.

Is GEO relevant to small businesses and local traders?

Directly relevant. AI systems are increasingly used for local and transactional queries: which estate agents cover a particular postcode, which used car dealer stocks a particular marque, which tradesperson is recommended in a given area. For businesses in competitive local markets, appearing — or failing to appear — in those AI answers has real commercial consequences.

What is “Google Zero” and how does it relate to GEO?

Google Zero refers to the growing volume of searches that result in no click at all — because the user’s question is answered directly within the search results page, either by a featured snippet, an AI overview, or a knowledge panel. GEO is the strategic response to Google Zero: if the click is no longer coming, the goal becomes being the source that supplies the answer.