What Is GEO? Generative Engine Optimisation Explained

GEO in 30 Seconds

Generative Engine Optimisation (GEO) is the practice of optimising your brand, content and digital presence so you get cited and recommended by generative AI engines like ChatGPT, Claude, Perplexity, Google AI Overviews and Microsoft Copilot. In plain English, what is GEO? It is what SEO becomes when the answer lives inside a conversation with an AI assistant, not on a search results page. GEO is also called AI SEO or answer engine optimisation. The terms describe the same discipline: making sure your business shows up when the answer is generated by a language model rather than ranked by a traditional search algorithm.

Why GEO Matters in 2026

Zero-click searches (where the user gets their answer without clicking through to a website) now make up more than 60% of all Google queries, according to widely cited industry analysis. The answer is being delivered in the SERP itself, increasingly by an AI summary, and the click no longer arrives. Google AI Overviews now appear on more than 30% of queries in some categories. ChatGPT has grown to more than 800 million weekly users, according to OpenAI’s October 2025 Dev Day announcement. Perplexity and Claude are picking up share among professional and research-led users. Consumer behaviour is shifting in every measurable direction at once. The implication is simple. Buyers are increasingly asking AI engines for recommendations, comparisons and shortlists. If your brand is not cited in those answers, you become invisible to a growing share of the market. Traditional rankings still matter. They are no longer the whole game.

How GEO Is Different to Traditional SEO

Traditional SEO is about ranking a page on a results page. GEO is about getting your brand cited inside an answer. That distinction sounds subtle, but it changes almost everything about how you measure success and what work moves the needle. Traditional SEO is keyword-led. You target a query, optimise a page, and earn the click. GEO is entity-led and question-led. The AI engine is not looking to send a user to your page; it is looking for trusted sources to pull a sentence, a statistic or a recommendation from, then assembling its own answer. Traditional SEO measures clicks, sessions and rankings. GEO measures citation share, brand mention frequency across AI engines, AI Overview presence, and AI recommendation share for relevant prompts. The metric is not “are we on page one” but “are we in the answer”. Importantly, GEO does not replace SEO. The two disciplines reinforce each other. The strongest content still ranks well in traditional results and also gets cited by AI engines. Treating them as separate channels is the single biggest mistake we see businesses make in 2026.

How AI Engines Decide What to Cite

Every major generative AI engine uses a slightly different ranking and citation system, but the underlying signals are remarkably consistent. Four signals do most of the heavy lifting.

1. Authority and entity strength. AI engines weight brands that are recognised as entities: mentions across the open web, structured data describing your organisation, a Wikipedia or Wikidata page, a Google Knowledge Panel, and consistent presence in authoritative directories.
2. Citable, structured content. Generative engines reach for content that is easy to extract: clear definitions, statistics paired with their sources, FAQ blocks, comparison tables and headed sections. If the model cannot pull a clean sentence out of your page, it will pull one from someone else.
3. E-E-A-T signals. Experience, expertise, authoritativeness and trust are now central to AI citation decisions. Author bylines, credentials, original research and demonstrated expertise all influence whether an engine treats your content as a citable source.
4. AI engines weight recent content heavily when the topic is time-sensitive. For statistics, regulations, trends and category news, a stale page is unlikely to be cited even if it ranks well in traditional search.

The 6 Pillars of GEO

If you want a practical framework for building GEO into your marketing programme, these are the six pillars we work through with every client.

Entity Optimisation

Build your brand as a recognised entity: a Wikipedia page where warranted, a Wikidata entry, a strong LinkedIn company page, a Crunchbase listing and an active Google Knowledge Panel. Entity strength is foundational; without it, the other pillars work harder than they need to.

Structured Data and Schema Markup

Organization, Person, Product, Service, FAQPage and HowTo schema all help AI engines understand who you are and what you offer. Sites with complete, valid schema are consistently more visible in AI citations.

Citable Content Patterns

Lead with a clear definition. Pair statistics with sources. Use FAQ schema. Add comparison tables. Publish original data. The pages that get cited most are the ones that hand the AI engine a clean, quotable sentence.

Authority Building Through PR and Earned Mentions

Editorial mentions on respected publications remain the strongest authority signal AI engines use. A targeted PR programme that earns mentions on relevant Australian publications compounds across both traditional rankings and AI citations.

Author and Expertise Signals

AI engines increasingly look at who wrote the content. Author bylines, full author pages, credentials and LinkedIn profiles all signal expertise. Anonymous content is less likely to be cited than content from a named, credentialed expert.

Multi-modal Content Distribution

Your content needs to live on the platforms AI engines crawl and train on: your website, YouTube, Reddit, LinkedIn, podcasts and reputable news sites. A brand that only publishes on its own domain is structurally invisible compared to one with a broad, citable digital footprint.

How to Track GEO Performance

Measurement is where most GEO programmes fall over. AI citation tracking is younger than traditional SEO measurement, but the tooling has matured fast in the last 12 months.

AI engine citation tracking platforms

Tools like SE Ranking, AthenaHQ, Profound and Otterly track how often your brand is mentioned across ChatGPT, Claude, Perplexity, Gemini and Copilot for a defined set of prompts.

Branded query share

Track how often your brand appears in answers to relevant non-branded prompts. This is the closest analogue to share of voice in a GEO world.

AI Overview presence

Monitor how often Google AI Overviews appear for your priority keywords, and whether your domain is cited inside them. SE Ranking and Dragon Metrics both report on this.

Referral traffic from AI engines

Check GA4 for sessions from chat.openai.com, perplexity.ai and similar referrers. Volume is still relatively low for most businesses, but the trend line matters.

Dragon Metrics AI tracking

Dragon Metrics now tracks AI engines including Google AI Mode and ChatGPT alongside traditional search engines, which gives you one dashboard view of ranking and citation performance.

Common GEO Mistakes

Most businesses making their first move into GEO trip over the same handful of mistakes. Avoid these and you will already be ahead of most of your competitors.

• Treating GEO and SEO as separate strategies. They are not. The strongest GEO programmes are built on top of solid SEO foundations, not as a replacement.
• Writing thin content because “AI will summarise it anyway”. The opposite is true. AI engines preferentially cite substantive, well-sourced content and ignore thin pages.
• Ignoring structured data. Schema is one of the single highest-leverage GEO investments. Sites without it are competing with one hand tied behind their back.
• Not investing in PR or earned mentions. Editorial authority is the strongest AI citation signal we can observe. A business with no third-party mentions has very little for an AI engine to draw on.
• Letting Wikipedia and Wikidata entries stay empty, missing or outdated. These are anchor sources for almost every major AI engine. A weak entity presence here limits everything else you do.
• Stuffing AI prompts into content. Hidden instructions aimed at language models are detected and ignored. They do not help and can damage trust signals.

 

GEO isn’t a separate channel from SEO, it’s the next evolution of it. The brands that win the next decade of search will be the ones that earn citations in AI answers, not just rankings on a SERP. 

— Coralee Roberts, AI obsessed SEO Specialist, Marketing Movement

GEO vs AI SEO vs Answer Engine Optimisation: Are They Different?

GEO (Generative Engine Optimisation) is the term coined by Princeton and Georgia Tech researchers in 2023 to describe optimising for generative AI engines. AI SEO is the broader marketing label for the same discipline. Answer Engine Optimisation (AEO) predates ChatGPT and originally referred to optimising for Google featured snippets and voice search. All three are now used interchangeably. We use GEO because it most precisely describes optimising for generative engines, but the underlying work is the same regardless of label.

Getting Started With GEO

If you are reading this and wondering what to actually do on Monday morning, here is the practical first set of steps we work through with every new client.

1. Audit your current AI engine visibility. Use SE Ranking, AthenaHQ or Otterly to establish a baseline of where you are being cited today and where the gaps are.
2. Audit your structured data and fix or add Organization, Person, FAQPage and Service schema. Most sites have partial or invalid schema and quick wins are common here.
3. Update your top 10 most important pages with citable patterns. Add clear definitions, statistics with sources, FAQ blocks and comparison sections.
4. Build out your Wikipedia and Wikidata presence where warranted. For most businesses, the Wikidata entry is the priority.
5. Start a PR program targeting Australian publications relevant to your industry. Earned mentions are the strongest AI citation signal we can influence.
6. Track citation share monthly. Patterns compound slowly and you need a consistent view of trend, not a single snapshot.

If you are not sure where to start, Marketing Movement runs GEO audits and AI search optimisation programs as part of every SEO engagement.