When someone asks ChatGPT "who's the best Magento consultant in the UK", your website doesn't appear in a ranked list of ten blue links. ChatGPT picks one or two sources it trusts and cites them. If you're not one of them, you don't exist.
That's the shift. And it's happening faster than most UK businesses realise.
AI-referred traffic has grown by 527% in the past twelve months. ChatGPT traffic converts at 15.9% — versus 1.76% for organic Google search. These aren't visitors browsing — they're buyers who've already asked a question and been pointed somewhere specific. If that somewhere isn't you, it's your competitor.
This guide explains what generative engine optimisation (GEO) is, why it matters for UK ecommerce stores, and exactly what you can do about it — starting this week.
Before diving in: we built a free AI Visibility Checker that scans your site against 8 AI readiness criteria. If you'd rather start there, go ahead — this post will still be here after your score lands.
What Is AI Search Optimisation (GEO)?
Generative engine optimisation — GEO — is the practice of structuring your content and digital presence so that AI-powered platforms cite you when answering user queries.
The platforms you need to appear in:
- ChatGPT — currently accounts for 55–60% of all AI referral traffic
- Perplexity AI — 18–22% of AI referral traffic; heavily used by researchers and buyers
- Google AI Overviews — the AI answers now appearing above Google's organic results
- Microsoft Copilot — growing in B2B and enterprise searches
- Google Gemini — integrated into Android and Chrome
These aren't just chatbots. They're the new first page of the internet — and they have very different rules from traditional Google.
If you want to understand how your site currently scores on AI visibility signals, see our companion post: What Is AI Search Visibility? We Scanned 3 UK Sites to Find Out.
Why It Matters for UK Businesses in 2026
The conversion rate difference is the critical number. Visitors from AI sources have already asked a specific question and been directed to you — they're further along in their buying process. That's why they convert at nearly 9× the rate of regular organic traffic.
For UK ecommerce stores on Magento, Shopify or any other platform, this means your next customer may never see a traditional search result. They'll ask an AI, get a recommendation, and either land on your site — or someone else's.
The 5 Things AI Search Engines Actually Look For
AI search isn't a mystery. The platforms pulling citations use a consistent set of signals. Here's what actually matters:
1. Structured Content and Schema Markup
AI models can read your HTML — but they understand structured data far better. Schema markup (JSON-LD format) tells AI exactly what type of entity you are, what services you offer, what your prices are, and what others say about you.
For ecommerce stores, the highest-impact schema types are: Product, FAQPage, Organization, BreadcrumbList, and Article on blog posts. If you don't have these, you're invisible in structured AI answers.
2. Clear Brand Signals and Authority
AI doesn't just scan one page — it looks at your entire web presence. Consistent brand mentions across your site, Google Business Profile, industry directories, and third-party sites all build the authority signal that gets you cited.
This is why a mention on a relevant forum or a quote in an industry article carries weight — even without a backlink. AI reads context, not just links.
3. AI Crawler Access via robots.txt
You cannot be cited in AI search if AI cannot crawl your site. Several major AI crawlers are blocked by default on older WordPress and Magento configurations.
Check your robots.txt file. You need to explicitly allow:
User-agent: GPTBot
Allow: /
User-agent: ClaudeBot
Allow: /
User-agent: PerplexityBot
Allow: /
User-agent: GoogleOther
Allow: /
If these agents are blocked — deliberately or by an outdated blanket Disallow rule — you won't appear in those AI platforms regardless of how good your content is.
4. An llms.txt File
Think of llms.txt as a README for AI. It's a plain text file at your domain root that tells AI language models exactly who you are, what you do, and how your content is organised.
This is still an emerging standard, but early adoption gives you an edge. A well-written llms.txt signals to AI crawlers that your site is AI-ready — and gives them the context they need to cite you accurately.
Our free AI Visibility Checker tests whether your site has llms.txt and scores it alongside 7 other AI readiness signals.
5. Citability — Fact-Rich, Self-Contained Passages
AI doesn't summarise vague content — it quotes specific, concrete passages. The content that gets cited most is content that answers a question completely in a few sentences, contains specific facts or numbers, and doesn't require reading the rest of the page for context.
A paragraph that says "Magento 2.4.9 dropped support for MySQL 8.0 and MariaDB 10.6" is citable. A paragraph that says "Magento continues to evolve with exciting updates that keep stores competitive in a changing market" is not.
Every paragraph you write should be able to stand alone as an answer to a question.
Quick Wins — What You Can Do This Week
You don't need to overhaul your site. These four actions will give you the biggest improvement fastest:
This Week's GEO Checklist
- Check your robots.txt — add explicit Allow rules for GPTBot, ClaudeBot, PerplexityBot
- Add an llms.txt file — plain text, your domain root, describes what you do and links to key pages
- Add FAQ schema to your top service pages — Q&A format is one of the most-cited content patterns in AI answers
- Check your Organization schema — name, URL, logo, and social profiles must be consistent across every page
- Rewrite at least one page to be more citable — specific numbers, clear answers, fact-dense paragraphs
Check Your AI Visibility Score Right Now
We built a free tool that checks your site against 8 AI visibility criteria and gives you an instant score. No email required — results in seconds.
Find out where your site stands in AI search — and which fixes will make the biggest difference. Free, instant, no signup.
Run a Free AI Visibility Scan →The tool checks: AI crawler access, llms.txt presence, schema markup, content citability, brand signals, HTTPS, E-E-A-T indicators, and Open Graph tags. You'll get a score out of 100 and a prioritised list of what to fix first.
Frequently Asked Questions
Is GEO the same as SEO?
They overlap but they're not identical. Traditional SEO gets you on Google's ranked results page. GEO gets you cited inside an AI-generated answer. Content that ranks well in Google has a higher chance of being cited by AI — so strong SEO is still valuable — but GEO adds specific signals that AI looks for: schema, citability, AI crawler access, and brand authority beyond just backlinks.
Do I need to abandon Google and focus only on AI?
No. AI search is growing fast, but Google still handles the vast majority of searches. The right approach is to optimise for both — and much of the work overlaps. Fact-rich, well-structured content performs well in both environments. Add AI-specific elements (llms.txt, AI crawler access, FAQ schema) on top of your existing SEO work.
How long does it take to see results from GEO?
Technical fixes like robots.txt and llms.txt can be indexed within days. Content quality improvements take longer — expect 6–12 weeks before you see measurable changes in AI citation frequency. Monitor your referral traffic in GA4 for traffic sources labelled chatgpt.com, perplexity.ai, and claude.ai.
My site is on Shopify — does GEO apply to me?
Yes. The principles are platform-agnostic. Shopify stores do have some schema limitations (less control over structured data than Magento) — but you can still add llms.txt, improve content citability, and ensure AI crawlers are allowed in your robots.txt. Some Shopify apps also add product and review schema automatically.
What's the difference between GEO and AI search optimisation?
"AI search optimisation" and "GEO" are used interchangeably. You'll also see "AEO" (Answer Engine Optimisation) and "LLM optimisation" — all refer to essentially the same discipline. We use GEO because it's the clearest shorthand for what the work actually involves.