SEO vs GEO vs AEO: What's the Difference (And Why You Need All Three)

Amy McGrath • June 18, 2026

Share this article

A few years ago, "getting found online" basically meant one thing: SEO. Now I get asked, almost weekly, what GEO and AEO actually mean, whether they've replaced SEO, and whether a business needs to worry about all three or just pick one. Short answer: you need all three, and they're far more connected than the three separate acronyms make them look.


This guide breaks down exactly what each one means, where they show up, how they overlap, and what actually changes about the way you write content once you understand the difference.

Quick answer:  SEO (Search Engine Optimisation) is about ranking in traditional Google and Bing results. AEO (Answer Engine Optimisation) is about winning direct-answer formats like featured snippets and voice answers. GEO (Generative Engine Optimisation) is about getting cited or recommended by AI chat tools like ChatGPT. They're not competing strategies, they're three destinations built on largely the same foundations of clear, well-structured, genuinely expert content.

Why This Question Keeps Coming Up


Search has fractured. A few years ago, almost every search ended on a results page with ten blue links. Now the same question might surface a traditional results page, a featured snippet, an AI Overview generated on the spot, or a fully conversational answer from ChatGPT, with no traditional results page involved at all.


Three different optimisation disciplines have grown up around these three different destinations, and the acronyms, fairly reasonably, confuse people. So let's take them one at a time.


A Quick Note on Where These Terms Came From


SEO has been around since the 1990s, more or less as long as search engines themselves. AEO grew out of the rise of voice search and featured snippets in the mid-2010s, when Google started answering questions directly on the results page instead of just linking out. GEO is the most recent arrival, coined as ChatGPT and similar tools moved from novelty to genuine search competitor, roughly since 2023.


Understanding that timeline matters, because it explains why SEO has decades of established best practice behind it, while GEO in particular is still being figured out in real time, including by the platforms themselves. Anyone claiming a definitive, unchanging GEO playbook right now is overstating how settled this discipline actually is.


What Is SEO (Search Engine Optimisation)?


SEO is the original, and still the foundation everything else is built on. It's the practice of optimising a website so it ranks well in traditional search engines, Google and Bing, primarily. It covers keyword research, on-page optimisation, technical site health, backlinks, and content that genuinely satisfies a searcher's intent.


SEO is what gets a plumber's website showing up when someone searches "emergency plumber Leeds," and it's still, by a wide margin, the most established and best-understood of the three. It's also measurable in ways the other two currently aren't, Google Search Console, rank trackers and GA4 all give a clear, reliable picture of where a page stands and whether it's improving.


If a business has only ever invested in one of these three disciplines, it's almost always this one, and that's the right instinct. SEO is where the other two get built from, not an alternative to either of them.


What Is GEO (Generative Engine Optimisation)?


GEO is the newest of the three, and it's about optimising content so that AI tools, ChatGPT, Google's Gemini, Microsoft Copilot, Perplexity, actually cite, quote, or recommend a business when someone asks a related question conversationally.


This is a genuinely different game to traditional SEO. These tools aren't ranking ten links, they're synthesising an answer from multiple sources and often naming only one or two of them. GEO is about being one of the sources an AI model trusts enough to pull from and credit, which depends heavily on clear structure, demonstrable expertise, and being easy for a model to extract a confident answer from.

In practice, this means content that states things plainly and confidently, backs claims with specifics rather than vague generalities, and is structured so a model can lift a clean, accurate answer without having to interpret or guess at what's being said.

Worth knowing:  GEO doesn't replace backlinks and authority the way some posts claim, it adds a new layer on top. AI models still favour content from sites that already have strong topical authority and clear, well-sourced information. The foundations haven't gone away, the destination has multiplied.

What Is AEO (Answer Engine Optimisation)?


AEO sits somewhere between the other two. It's about optimising content to win the direct-answer formats search engines have built directly into the results page, featured snippets, the "People also ask" boxes, voice assistant answers, and increasingly, AI Overviews.


AEO content tends to be built around clear, specific questions with equally clear, specific answers, usually within the first sentence or two of a section, formatted in a way that's easy for an algorithm to lift directly. A well-written FAQ section is one of the simplest, most effective pieces of AEO most businesses can put on a page tomorrow.


The format matters as much as the wording here. Short, self-contained answers, ideally under fifty words, formatted as a clear question followed immediately by a direct answer, perform consistently better in this space than the same information buried inside a longer paragraph.

SEO GEO AEO
Full Name Search Engine Optimisation Generative Engine Optimisation Answer Engine Optimisation
Main Goal Rank highly in traditional search results Get cited or quoted by AI chat tools Win the direct answer slot
Where It Shows Up Google, Bing search results pages ChatGPT, Gemini, Copilot, Perplexity Featured snippets, AI Overviews, voice assistants
Example query "SEO copywriter Leeds" "What's the best way to find an SEO copywriter" "How do I choose an SEO copywriter"
Core focus Keywords, backlinks, technical site health Authority, clarity, citeable structure Direct, concise, well-structured answers

How They Overlap (More Than the Three Acronyms Suggest)


Here's the part that gets missed in most explainers: these aren't three competing strategies fighting for the same budget. They're three different destinations being fed by largely the same underlying work. Clear writing, genuine expertise, logical structure, and direct answers to real questions help all three at once.


In practice, a single well-written page, structured properly, with a clear answer near the top, solid supporting detail, genuine expertise, and good technical SEO underneath it, can rank traditionally, win a featured snippet, and get cited by an AI tool, all from the same piece of content. The disciplines overlap far more than they compete.


What This Actually Changes About How You Write


It's easier to see the difference with an actual example than another definition. Imagine a paragraph written purely for traditional SEO: "Our experienced team offers comprehensive boiler servicing across Leeds, ensuring your heating system runs efficiently all year round." It's fine. It reads naturally, it has the keyword, and a human skimming the page understands it.


Now the same information, written with AEO and GEO in mind: "A boiler service typically takes 30 to 45 minutes and should happen once a year, ideally before winter. In Leeds, we charge a fixed £80 for a standard service with no hidden call-out fee." It's more specific, it answers an implied question directly, it gives a model or a snippet algorithm something concrete to lift, and it still reads perfectly naturally to a human. That's the actual shift, not different writing, more specific, more directly useful writing.


Why You Need All Three, Not Just One


SEO alone leaves AI-driven search on the table. A growing share of searches, particularly informational ones, never reach a traditional results page at all. A business invisible to AI tools is invisible for an increasing slice of its potential audience.


GEO alone has no foundation to stand on. AI tools still lean heavily on sites with established authority and structured, trustworthy content, which is built through the same fundamentals as good SEO.


AEO alone misses the bigger picture. Winning a featured snippet is valuable, but it's one format among several, treating it as the whole strategy leaves traditional rankings and AI citations unattended.


Treat all three as layers of the same underlying strategy: solid technical and keyword-led SEO as the foundation, content structured for clear, direct answers for AEO, and genuine, well-sourced expertise that AI models are comfortable citing for GEO.


Practical Examples: How Each One Shows Up in a Real Search


SEO in action: someone searches "SEO copywriter Leeds" and a traditional results page appears, ranking determined by relevance, authority and technical site health.


AEO in action: someone searches "how do I choose an SEO copywriter" and Google surfaces a featured snippet pulled directly from a well-structured FAQ answering exactly that question.


GEO in action: someone asks ChatGPT "what should I look for when hiring an SEO copywriter" and the model synthesises an answer, naming a small number of sources it considers authoritative on the topic.


How to Start Optimising for All Three


  1. Keep the SEO fundamentals solid: proper keyword research, clean technical structure, genuine topical authority built over time.
  2. Structure content around direct questions and equally direct answers, ideally within the first sentence or two of each section, for AEO.
  3. Build genuine expertise signals into content, specific detail, real experience, clear credentials, for GEO.
  4. Use FAQ sections deliberately, they're one of the most efficient ways to serve AEO and GEO at the same time.
  5. Add structured data (schema markup) where relevant, FAQ schema, article schema, organisation details, it gives both traditional search engines and AI tools an unambiguous, machine-readable version of the same information.
  6. Keep monitoring all three. Search Console for traditional rankings and snippet appearances, and direct testing of AI tools to see whether and how a business gets mentioned.

Try this:  Ask ChatGPT or Perplexity a question your ideal customer might ask, in your own niche, and see who gets mentioned. If it's never you, that's a clear, practical starting point for where GEO work needs to begin.

Common Misconceptions


"GEO and AEO have replaced SEO." They haven't, they've been built on top of it. Sites with weak SEO foundations rarely perform well in GEO or AEO either.


"Only big, established brands get cited by AI tools." Established authority helps, but AI tools regularly cite smaller, specialist sites when the content is genuinely clear, well-structured and authoritative on a specific topic.


"AEO is just about adding an FAQ section." FAQs help, but AEO is really about how directly and clearly every section of a page answers the question it's built around, not just a bolted-on FAQ block at the bottom.


"You can measure GEO the same way you measure SEO." Not yet, not reliably. There's no equivalent of Search Console for AI citations at the time of writing, so tracking GEO currently means manually testing AI tools rather than pulling a report.


Frequently Asked Questions


Is GEO the same as AEO?

No, though they're closely related and often confused. AEO is about winning answer formats within traditional search engines (snippets, voice answers, AI Overviews). GEO is specifically about being cited or recommended by generative AI chat tools like ChatGPT.


Do I need to choose between SEO, GEO and AEO?

No, and trying to choose is the wrong framing. They share the same underlying foundations, well-researched, clearly structured, genuinely expert content, and the practical differences are mostly in formatting and emphasis, not a completely different strategy.


Which one should a small business focus on first?

SEO, almost always. It's the most established, the most measurable, and the foundation the other two are built on. GEO and AEO are worth layering in once the fundamentals are solid, not before.


How do I know if I'm being cited by AI tools?

Ask the tools directly. Searching your own niche's common questions in ChatGPT, Gemini or Perplexity and noting who gets mentioned is currently the most reliable way to check, there isn't yet a mainstream analytics tool that tracks this as cleanly as Google Search Console tracks traditional rankings.


Will optimising for GEO and AEO hurt my traditional SEO rankings?

No, if anything the opposite tends to be true. The clarity, specificity and structure that help a page win a featured snippet or get cited by an AI tool are the same qualities Google already rewards in traditional rankings. There's very little tension between the three once the content itself is genuinely good.


Final Thoughts


SEO, GEO and AEO aren't three separate battles. They're three different doors into the same room, and the work that gets you through all three is largely the same: clear, genuinely useful, well-structured content written by someone who actually knows the subject. Get that right, and where the search happens to take place matters a lot less than people think.

Good content doesn’t happen by accident.

I help businesses turn pages like this into real enquiries, through SEO content, conversion copywriting, and content strategy built around how people actually search.

Work with me

Recent Posts

By Amy McGrath June 18, 2026
Most businesses don't have a content strategy. They have a list of blog topics someone thought of on a Tuesday, a sporadic posting schedule, and a vague hope that "more content" will eventually do something for the business. I understand why, building an actual strategy takes more upfront thought than just opening a blank document and writing. But it's also the single biggest difference between content that compounds over years and content that just accumulates.  This guide is the framework I use myself when planning content for clients, stripped down to something any business owner can actually run with, even without a marketing team behind them.
By Amy McGrath June 18, 2026
I've been writing SEO content professionally for the last few years, across property, trades, skincare, supplements, beauty and professional services, and if there's one thing client conversations have taught me, it's that almost everyone has heard the phrase " SEO content " and almost no one has actually been told what it involves. I've written elsewhere about why some SEO content earns its ranking and some doesn't , that piece is the philosophy. This guide is the practical follow-up: not why it matters, but exactly how to do it, the process I actually use, the structural and technical foundations underneath it, and the small, easy-to-miss details that turn that philosophy into a page that genuinely performs. If you take nothing else from this guide, take this: SEO content writing isn't a trick for outsmarting Google. It's about being genuinely, demonstrably useful to the person reading, in a format that happens to be exactly what search engines (and increasingly, AI tools) are designed to reward. Get that the right way round, and the rankings tend to follow rather than lead.
By Amy McGrath June 8, 2026
High CTR Hooks, Offer Clarity, Pain Points, Creative Testing and Prompts That Actually Work Here's the uncomfortable reality of running paid ads right now. Everyone has access to AI . Everyone is using it to write copy. And because everyone is using the same tools, trained on the same data, fed the same generic prompts — the ads flooding every feed are starting to sound identical. Same hooks. Same structure. Same 'Are you tired of [problem]? Introducing [solution].' Same energy. Same wallpaper. Which, if you think about it, is actually good news for anyone willing to put a bit more thought in. AI hasn't made great ad copy obsolete. It's made lazy ad copy invisible. The bar for stopping the scroll has gone up, not down — and the brands that understand that are cleaning up while everyone else wonders why their CPMs keep climbing and their CTRs keep sinking. This is about writing ad copy that cuts through. The hooks, the offer framing, the pain points, the testing frameworks, and how to use AI as a proper creative tool rather than a glorified copy-paste machine.
By Amy McGrath May 19, 2026
Let's be blunt about something. There's probably a version of your product page sitting right now at a decent ranking, getting reasonable traffic, and quietly bleeding sales because the copy is doing absolutely nothing. Not bad copy, necessarily. Just... copy. Words that exist. Manufacturer descriptions rephrased slightly. Dimensions listed. Stuff in a bullet list that nobody asked for. The hard truth is that most ecommerce businesses put enormous effort into getting people to the product page — ads, SEO, influencers , the lot — and then hand them a description that reads like it was written for a stock database. And then wonder why the conversion rate is stuck at 1.8%. Product description optimisation isn't really about writing. It's about removing every possible reason someone might not buy. Handle the objections. Build the trust. Make the decision feel easy. Do all of that while keeping Google happy, and you've got a page that works around the clock without you having to touch it. Here's how that actually looks in practice.
By Amy McGrath May 19, 2026
What Actually Brings Clicks, Leads, and Trust Most people treat SEO like a numbers game. Chase the keyword, hit the word count, grab the ranking, done. But here's the uncomfortable truth: a page can sit at position one and still fail completely. No clicks. No leads. No trust built. Just a metric that looks good in a report nobody reads twice. Real SEO content does three things at once — it earns the ranking, compels the click, and converts the reader into someone who actually does something. Getting all three right requires a different way of thinking about content from the very start. This is that guide.
By Amy McGrath May 14, 2026
You spend ages on your CV. You tidy the font, rewrite the bullet points, move sections around and try to make everything sound sharper. Then you apply for a role that looks right for you and hear absolutely nothing back.  That silence can feel personal, but it is not always a sign that you are underqualified. Sometimes the issue is much simpler: your CV was not read properly by the system before a recruiter ever had the chance to look at it. Applicant Tracking Systems , usually shortened to ATS, are now part of normal online recruitment. They collect applications, extract candidate details, search for keywords and help employers shortlist faster. The important point is this: your CV now has two audiences. It has to be easy for software to scan, and it still has to sound clear, credible and human when a real person opens it. This guide walks through the practical bits that matter: layout, formatting, keywords, section headings and the simple checks you can run before sending your next application.
By Amy McGrath May 13, 2026
You've spent years building skills, climbing ladders, and collecting achievements. Then you condense it all into two pages — and hear nothing. That silence is the most common experience in modern job searching. According to Forbes, less than 3% of submitted CVs result in an interview. The problem, more often than not, isn't who you are. It's how your CV presents you. Here are 15 evidence-based fixes that make the difference.
By Amy McGrath May 8, 2026
Getting people to visit your website is only the first step. The real growth comes from what happens next: do they remember you, trust you, come back, sign up, enquire, buy, or recommend you?  Website traffic is valuable, but repeat attention is more valuable . A visitor who returns three, four or five times is far more likely to become a customer than someone who lands once and disappears. That is why smart brands build systems to keep in touch with visitors after the first click.
By Amy McGrath May 8, 2026
Writing blog posts that increase site traffic is not about filling a page with keywords and hoping Google notices. Strong blog content works because it answers a real question, gives useful detail, and makes the reader want to stay, click, save, share, or enquire. Google describes good SEO as helping search engines understand your content while helping users decide whether they should visit your site. That means your blog post needs to serve both sides: the person reading it and the search engine trying to understand it.