Search used to be simple: type a query, scan ten blue links, click one. Now, a growing share of searches end with an AI-generated answer. Google shows AI Overviews at the top of results, ChatGPT and Perplexity answer questions directly with cited sources, and Gemini is built into Android and Google Workspace.
For businesses, this raises a pressing question: if people get their answers from AI, how do you make sure your brand is part of those answers? The emerging discipline is called Generative Engine Optimisation (GEO). This article explains how it relates to SEO, what the early research shows, and the steps we take to make brands visible in AI search.
Market research snapshot
Sources: Alphabet Q1 2025 earnings; Gartner press release (Feb 2024); Pew Research Center (July 2025); Aggarwal et al., “GEO: Generative Engine Optimization” (2023). Figures rounded.
What is GEO?
Generative Engine Optimisation is the practice of increasing how often, and how favourably, your brand and content appear in AI-generated answers. Where SEO aims to rank a page in a list of results, GEO aims to have your content used and cited when an AI system composes a response.
The term was popularised by a 2023 research paper from Princeton University and collaborators, which tested how different content changes affected visibility in generative engine answers. Their finding was striking: adding relevant statistics, quotations from credible sources and citations improved visibility by up to roughly 40% in their tests, while traditional tactics like keyword stuffing did little.
SEO vs GEO: what is the difference?
| Dimension | SEO | GEO |
|---|---|---|
| Goal | Rank pages in search results | Be cited or recommended in AI answers |
| Unit of success | Rankings, clicks, organic sessions | Mentions, citations, share of AI answers |
| Content focus | Keywords, intent, comprehensiveness | Clear answers, facts, statistics, entities |
| Authority signals | Backlinks, E-E-A-T | Brand mentions across trusted sources, consistency |
| Technical focus | Crawlability, speed, indexation | Crawlability for AI bots, structured data, clean HTML |
| Measurement | Search Console, rank trackers | Prompt tracking, AI referral traffic in GA4 |
The important point: GEO doesn’t replace SEO, it builds on it. AI systems that browse the web, including Google’s AI Overviews, draw heavily on pages that already rank well and are easy to understand. Weak SEO almost always means weak GEO.
Clicks on traditional results when an AI summary appears
Source: Pew Research Center analysis of US adults’ Google search behaviour, March 2025 (published July 2025).
The implication is clear: when AI answers appear, fewer people click through. Being named in the answer — not just ranking beneath it — is becoming a key goal.
How AI engines choose what to cite
Each system works differently, but common patterns emerge from research and testing:
- Relevance and directness. Passages that answer the question clearly and concisely are easier to extract.
- Specificity. Concrete numbers, definitions, steps and comparisons are favoured over vague marketing copy.
- Authority and consensus. Brands mentioned consistently across reputable sites, reviews and publications are more likely to be recommended.
- Freshness. For time-sensitive topics, recently updated content has an advantage.
- Accessibility. Content must be crawlable — not hidden behind scripts, logins or blocked bots.
The GEO checklist we use
1. Make your entity unmistakable
Use the same brand name, description, services, locations and contact details on your website, Google Business Profile, LinkedIn, directories and social profiles. Add Organization schema with sameAs links to your official profiles.
2. Write answer-first content
Start each section with a one- or two-sentence direct answer, then expand. Use question-style headings that mirror how people prompt AI tools.
3. Add facts, statistics and sources
Cite credible data, publish original research where you can, and attribute sources clearly. Specific, verifiable claims make your content more quotable.
4. Use structured data
Implement FAQ, HowTo, Product, Service, Review and Article schema where appropriate, so machines can parse your content reliably.
5. Earn third-party mentions
Get listed in relevant “best of” articles, industry directories and review platforms, and contribute expert commentary to publications. AI models learn brand associations from these sources.
6. Keep content fresh
Update key pages with current data and dates. Stale statistics weaken trust for both users and AI systems.
7. Don’t block the bots you want
Review your robots.txt and CDN settings. Decide deliberately which AI crawlers to allow — blocking them all may remove you from AI answers.
8. Measure AI visibility
Track a list of priority prompts across ChatGPT, Gemini, Perplexity and Google AI Overviews, and record whether your brand is mentioned. In GA4, segment referral traffic from AI platforms.
SEO gets you into the library. GEO gets you quoted in the book.
What this means for your 2026 content strategy
Thin, generic content written purely to target keywords is losing value fast — AI can generate that itself. Content that wins in both Google and AI answers has something the model can’t produce on its own: first-hand experience, original data, expert opinion and clear, well-structured explanations. Invest in fewer, better pages, keep them updated, and build your brand’s reputation across the wider web.
Worked example: a clinic optimising for AI answers
Imagine a dermatology clinic in Pune. Patients increasingly ask AI assistants questions like “best dermatologist in Pune for acne scars” or “how much does laser hair removal cost in Pune?”. Here is how SEO and GEO work together for this clinic:
| Action | SEO benefit | GEO benefit |
|---|---|---|
| Complete, consistent Google Business Profile with services and photos | Local pack rankings | Clear entity data for AI tools that use maps and local listings |
| Treatment pages answering cost, recovery and suitability questions directly | Rankings for treatment keywords | Quotable answers for “how much” and “is it safe” prompts |
| Doctor profiles with qualifications and experience | E-E-A-T signals | Expert entities AI can name and trust |
| Steady flow of detailed patient reviews | Local ranking factor | Third-party consensus that the clinic is reputable |
| Mentions in local health directories and news | Backlinks and citations | More sources associating the clinic with the topic |
| FAQ and MedicalClinic schema | Rich results eligibility | Machine-readable facts about services and location |
Notice that almost every action helps both channels. That is the practical reality of GEO in 2026: it is less a separate discipline than a sharper lens on the same fundamentals — clarity, credibility and coverage of real customer questions.
What not to do
- Don’t mass-produce AI-written pages. Generic content adds nothing an AI model doesn’t already know, and low-value pages can drag down a site’s overall quality signals.
- Don’t invent statistics. Fabricated or unsourced numbers damage trust with users, journalists and algorithms alike.
- Don’t chase every new AI tool. Focus on the assistants your customers actually use, and on fundamentals that benefit all of them.
Key takeaway: Keep investing in SEO fundamentals, and layer GEO on top: entity clarity, answer-first structure, cited statistics, schema, third-party mentions and AI visibility tracking.
Frequently asked questions
What does GEO stand for in marketing?
GEO stands for Generative Engine Optimisation — optimising content and brand presence to appear in AI-generated answers from tools like ChatGPT, Gemini, Perplexity and Google AI Overviews.
Is GEO replacing SEO?
No. GEO builds on SEO. AI systems rely heavily on well-ranked, well-structured web content, so strong SEO remains the foundation.
How do I get my brand mentioned by ChatGPT?
Make your brand information consistent across the web, publish clear and factual content, earn mentions on reputable third-party sites and reviews, and ensure your site is crawlable.
What are Google AI Overviews?
AI Overviews are AI-generated summaries shown at the top of some Google search results, with links to source websites.
Do AI Overviews reduce website traffic?
Research suggests users click traditional results less often when an AI summary appears. That makes being cited within the summary increasingly valuable.
Does schema markup help with AI search?
Structured data helps machines interpret your content accurately. While it isn’t a guarantee of citation, it supports both rich results in Google and clearer understanding by AI systems.
How can I track my visibility in AI answers?
Maintain a list of important prompts, check them regularly across AI tools, and log whether your brand appears. Also monitor AI referral traffic in GA4.
Should I block AI crawlers in robots.txt?
It depends on your goals. Blocking them may protect content but can reduce your presence in AI answers. Most brands seeking visibility allow major AI crawlers.
How long does GEO take to show results?
Some AI tools that browse the web can reflect changes within weeks; models relying on training data update more slowly. Expect a multi-month effort, similar to SEO.