If you have spent any time in a marketing meeting this year, you have probably heard someone throw around AEO or GEO like everyone already knows what they mean. Search is changing fast. In the UK, AI Overviews now appear on roughly a third of Google searches, up from around one in five at the start of 2025, and a growing share of searches end without a click at all. So it is a fair question: is SEO still worth doing, and where do AEO and GEO fit in?
This guide explains what SEO, AEO and GEO actually mean, how they differ in practice, and which one deserves your attention first, based on how your customers actually search.
What is SEO? A quick recap
SEO, or Search Engine Optimisation, is the practice of improving a website so it ranks higher in traditional search results, the familiar list of blue links on Google. It works through technical site health, keyword-relevant content, page experience and backlinks, and it rewards businesses whose sites are fast, well-structured and genuinely useful to the person searching.
SEO is still the foundation everything else sits on. If Google cannot crawl, index and trust your site, no amount of AEO or GEO effort will save it.
What is Answer Engine Optimisation (AEO)?
Answer Engine Optimisation is the practice of structuring content so it can be lifted directly and presented as a short, self-contained answer, whether that is a featured snippet, a People Also Ask result, a voice assistant reply, or the top line of an AI Overview.
AEO content tends to share a few traits: it answers the exact question in the first sentence or two, it uses clear headings and short paragraphs, and it is often backed by FAQ sections and schema markup so search engines can identify the question being answered. Think of AEO as writing for extraction. The goal is to become the answer itself, not just a link near the top of the page.
What is Generative Engine Optimisation (GEO)?
Generative Engine Optimisation is about earning a place inside the answers that AI tools like ChatGPT, Perplexity, Google Gemini and Google's AI Overviews generate when they synthesise information from multiple sources. Rather than ranking a single page, GEO is concerned with whether an AI model trusts your content enough to cite it, or draw on it, when building a response.
Content that performs well for GEO tends to be comprehensive rather than snackable. It covers a topic in depth, includes original data or insight worth citing, and is consistent with what is published about your brand elsewhere. A useful shorthand: AEO is about being the answer, GEO is about being a trusted source behind the answer.
SEO vs AEO vs GEO: the key differences at a glance
| SEO | AEO | GEO | |
|---|---|---|---|
| Primary goal | Rank highly in traditional search results | Be selected as the direct answer | Be cited as a source in AI-generated responses |
| Where it shows up | Organic blue-link results | Featured snippets, People Also Ask, voice answers | AI Overviews, ChatGPT, Perplexity, Gemini |
| What it optimises for | Technical health, keywords, backlinks, page experience | Clarity, structure, direct question-and-answer format | Depth, authority, entity clarity, original insight |
| Best suited to | Transactional and local searches | High-intent, question-driven queries | Research and informational queries |
How AI Overviews and zero-click search are changing UK search behaviour
The shift towards AI-driven search is not theoretical, it is already visible in UK search data. AI Overviews now appear on roughly a third of UK Google searches, more than the one-in-five rate seen at the start of 2025, and they show up most often on informational and research-intent queries, exactly the kind of searches that used to send steady traffic to blogs and guides.
At the same time, the UK and wider EU zero-click rate, the proportion of searches that end without any click at all, sits at around 59 to 60 percent, and can climb even higher when an AI Overview appears. Even when a page is cited within an AI Overview, click-through rate on that result can fall from around 2.9 percent to under 1 percent. That does not mean visibility is worthless. Being cited still builds brand awareness and appears to influence later direct or branded searches, even when the citation itself does not generate a click.
Roughly 80 percent of AI Overview and chatbot users now rely on AI-generated summaries for a large share of their searches, which is exactly why answer-ready and citation-ready content matters, even on the searches that never result in a visit to your site.
Does AEO or GEO replace traditional SEO?
No. AEO and GEO both depend on strong SEO fundamentals. If your site cannot be crawled and indexed properly, or if it lacks the technical health and relevance signals search engines look for, AI systems are far less likely to surface or cite it, no matter how well the content is written. SEO remains essential. AEO and GEO are best understood as extensions that respond to how search behaviour has changed, not replacements for the groundwork SEO does.
Which matters most for your business? A simple decision framework
Transactional or local businesses: prioritise SEO
If most of your value comes from someone clicking through to browse products, book a service or find your location, traditional SEO still does the heavy lifting. Local pack rankings, product pages and transactional keywords are largely untouched by the AEO and GEO shift so far.
Question-driven, advice-led businesses: invest in AEO
If your customers arrive after searching a specific question, think how-to guides, comparisons or troubleshooting content, structuring that content to be extracted as a direct answer will help you win featured snippets and AI answer boxes, and keep you visible even as fewer people click through.
Brands building long-term authority: invest in GEO
If you are competing on expertise and want to be the name AI tools reach for when summarising a topic, whether that is financial advice, health information or specialist B2B services, GEO-focused work, in-depth content, original data and consistent brand signals, builds the kind of durable authority that is harder for competitors to copy quickly.
Most businesses benefit from a blend of all three, weighted according to how their audience actually searches, rather than picking one approach and ignoring the others.
How to start optimising for all three
Structured data and schema markup
Implement FAQ schema, article schema and organisation schema so search engines and AI systems can understand exactly what your content covers and who is behind it.
Clear, question-led content and FAQs
Write short, direct answers near the top of each section, using the real questions your customers ask. Add a dedicated FAQ section to key pages, and keep paragraphs short so both readers and AI systems can extract individual passages cleanly.
Building E-E-A-T and brand mentions
Name real authors with relevant experience, link to credible sources, keep content dated and updated, and build genuine mentions and citations elsewhere online. AI systems lean heavily on trust signals when deciding what to cite, so consistency across your website, reviews and third-party mentions matters more than ever.
Key takeaways
- SEO, AEO and GEO solve different problems: ranking, being the direct answer, and being the source AI cites.
- AI Overviews now appear on roughly a third of UK Google searches, and zero-click behaviour is rising alongside them.
- AEO and GEO build on SEO rather than replacing it. Technical and content fundamentals still matter most.
- Choose your priority based on how your customers search: transactional (SEO), question-driven (AEO), or authority-building (GEO).
- Most businesses need a blend of all three, supported by strong E-E-A-T signals throughout.
FAQs
What is the difference between SEO, AEO and GEO?
SEO focuses on ranking your pages in traditional search results. AEO focuses on getting your content selected as a direct answer, such as a featured snippet. GEO focuses on getting your content cited as a source within AI-generated responses.
What does AEO stand for?
AEO stands for Answer Engine Optimisation, the practice of structuring content so it can be extracted as a direct answer by search engines and AI tools.
What does GEO stand for in marketing?
In this context, GEO stands for Generative Engine Optimisation, not geographic targeting. It refers to optimising content so generative AI tools trust and cite it when producing answers.
Is GEO the same as geographic or local SEO?
No. Geographic SEO is a separate, long-established discipline focused on local search and map-pack rankings. GEO, in the AI search context, is unrelated and focuses on citation within AI-generated answers.
Does AEO or GEO replace traditional SEO?
No. Both depend on the technical health, crawlability and relevance that SEO establishes. They extend SEO rather than replace it.
Which matters more for my business, SEO, AEO or GEO?
It depends on how your customers search. Transactional and local businesses should prioritise SEO, question-driven businesses benefit most from AEO, and businesses building long-term authority should invest in GEO. Most benefit from a blend of all three.
What is a zero-click search and why does it matter?
A zero-click search is one where the user gets what they need directly from the search results page and never clicks through to a website. In the UK, around 59 to 60 percent of searches now end this way, which is why visibility within AI answers matters even when it does not drive direct traffic.
How does E-E-A-T apply to AI search?
AI systems rely heavily on trust signals when deciding what to cite. Demonstrating real experience, named expertise, authoritative sourcing and consistent, trustworthy information across your site and brand mentions increases the likelihood of being surfaced and cited.
Final thoughts
SEO, AEO and GEO are not three competing strategies to choose between, they are three ways of showing up as search itself splits across blue links, direct answers and AI-generated summaries. Getting the balance right depends on how your customers actually search, and that balance will keep shifting as AI Overviews and generative engines take up more space in the results.
If you are not sure where your business currently stands, or which of the three deserves your budget first, that is exactly the kind of question an SEO audit answers.
Get in touch with Design Monkey's SEO services team for a free review of where your website stands today, and a clear, jargon-free plan for building visibility across search, answer and AI engines. You can contact the team here.
