If you have been reading anything about getting your business found online recently, you have probably seen three acronyms thrown around as if everyone already knows what they mean. The difference between SEO, AEO, and GEO comes down to where your business shows up: SEO is about ranking on Google and other search engines, AEO is about being the answer when someone asks a question, and GEO is about being mentioned when someone asks an AI tool like ChatGPT for a recommendation. They overlap a lot, but they are not the same thing, and getting your head around what each one actually does will help you spend your marketing budget on the bits that matter.
What is SEO.
SEO stands for Search Engine Optimisation. It has been around since the late 1990s and it is still where most businesses earn their visibility online. The job of SEO is to get your website pages to rank as high as possible on Google when someone searches for what you do.
It works through a mix of things. You write content that answers what people are searching for. You make sure the technical side of your site is clean so Google can read it properly. You get other reputable websites to link to yours, which tells Google you are worth taking seriously. You sort out things like page speed, mobile usability, and how your pages are structured.
Most SEO falls into three buckets. On-page SEO is everything on your website itself, such as your page titles, headings, content, internal links, and images. Technical SEO is the under-the-bonnet stuff like site speed, mobile setup, sitemaps, and how cleanly Google can crawl your pages. Off-page SEO is mostly about backlinks and your wider reputation across the web. A solid SEO strategy covers all three.
Google still handles roughly 90% of UK searches according to Statcounter, so SEO is not going anywhere. If anyone tells you SEO is dead, they are either selling something else or have not been paying attention.
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What is AEO.
AEO stands for Answer Engine Optimisation. The idea is to get your content to be the direct answer to a question, rather than just one of ten blue links someone has to click through.
You have already seen AEO in action even if you did not know what it was called. When you Google a question and a box appears at the top of the results with a short answer pulled from a website, that is AEO working. When you ask Alexa what time the post office closes and she reads out an answer, that is AEO. When you see the “People also ask” boxes on Google, same thing.
AEO usually means writing content in a question-and-answer format, using FAQ schema markup, and being clear and direct in your answers. The goal is to be the source the answer engine picks.
AEO matters more now than it used to because of zero-click searches. More and more people Google a question, read the answer in the box at the top, and never click through to any website. If you are not the source of that answer, you are invisible even if you rank well. AEO is how you stay in the game when Google is happy to answer the question without sending traffic anywhere.
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How The Three Overlap.
The difference between SEO, AEO, and GEO is real, but the three are not separate worlds. They share the same foundations.
Good content that answers real questions clearly will help with all three. A fast, well-built website that Google can crawl easily will also be one that AI tools can read. Schema markup helps Google understand your content, helps answer engines pick you, and helps AI tools cite you. A consistent business profile across Google, Facebook, your website, and local directories builds trust with search engines and language models alike.
If your SEO is in a mess, your AEO and GEO will be too. There is no shortcut. You cannot skip building a proper website and then expect ChatGPT to recommend you.
Which One Does Your Business Actually Need.
Once you understand the difference between SEO, AEO, and GEO, the practical question is where to spend your time and budget. Honestly, you need a bit of all three, but the order matters.
Start with SEO. It is still where most searches happen and it is the foundation everything else sits on. If your website cannot rank on Google for the things you do, the rest will not save you.
Add AEO next. This is mostly about how you structure your content. Writing in clear question-and-answer formats and adding FAQ schema is not a huge amount of extra work if your SEO is already in good shape, and it puts you in front of voice searchers and people clicking the answer boxes at the top of Google.
Layer GEO on top. As more people start using ChatGPT and similar tools to find businesses (especially for things like recommendations and comparisons), being visible in AI answers will matter more. The work you have already done for SEO and AEO will be most of the battle. GEO adds things like making sure you are mentioned on third-party sites, having clear author information, and keeping your business details identical wherever they appear.
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Common Mistakes Businesses Make With All Three.
The biggest one we see is treating SEO, AEO, and GEO as three separate jobs that need three separate budgets. They are not. The same well-written, properly structured page can do all three jobs at once. If an agency is trying to sell you three different retainers for SEO, AEO, and GEO, that is a flag worth paying attention to.
Another common mistake is chasing GEO before the basics are sorted. We have seen businesses worry about whether ChatGPT mentions them while their own website is slow, badly structured, and missing basic schema markup. ChatGPT is never going to recommend a business whose website it cannot read properly in the first place.
Inconsistent business information is a third one. Your business name, address, and phone number should be identical on your website, your Google Business Profile, your Facebook page, and every directory you appear in. Even small differences (Street vs St, Ltd vs Limited) can confuse search engines and AI tools and weaken your visibility across all three.
The last one is forgetting that good content is still good content. The fundamentals have not changed. Clear writing that answers the reader’s question, backed by a fast and well-structured website, will help you with SEO, AEO, and GEO at the same time. Most of the AI-era panic is just the basics rebranded.
FAQs.
No. GEO sits on top of SEO, it does not replace it. AI tools like ChatGPT pull from the same web that Google indexes, and they rely heavily on signals that SEO has always cared about, like clear content, trusted sources, and a well-structured website. If your SEO is solid, you are already most of the way to being visible in AI answers.
AEO is about being the direct answer in search features like Google’s featured snippets, “People also ask” boxes, and voice assistants like Alexa and Siri. GEO is about being mentioned or cited inside an AI-generated answer from tools like ChatGPT, Gemini, Perplexity, or Claude. The two overlap a lot, and some people use the terms interchangeably, but in practice AEO sits inside traditional search and GEO sits inside conversational AI tools.
No. The same work that helps with one mostly helps with the others. A good web agency or SEO team should already be thinking about all three. If you are being sold three separate retainers, you are probably being upsold on work that overlaps.
SEO usually takes three to six months to show meaningful results, sometimes longer in competitive industries. AEO can be quicker because winning a featured snippet or voice answer can happen as soon as Google picks up your content. GEO is the least predictable because AI tools update their training data on their own schedules, so it can take weeks or months for changes to show up in ChatGPT or similar tools.
Yes, often better than for big national brands. Local searches are full of clear, specific questions (“what time does the dentist open”, “best pub near me with a beer garden”), and AEO is built for exactly that kind of query. Pair it with a properly optimised Google Business Profile and you are in good shape.
What This Means For Your Business.
The difference between SEO, AEO, and GEO is less about three separate strategies and more about three connected ways your business gets found online. Search engines, answer engines, and AI engines are all looking at similar signals, just using them in different ways.
If your website is well built, clearly written, and properly structured, you are most of the way there for all three. If your site was knocked together cheaply or has not been touched in three years, no amount of clever AEO or GEO tactics will rescue it.
We help businesses get their websites and marketing sorted so they show up in all three places. If you are not sure where your site stands, book a free 30-minute audit and we will go through it with you and tell you honestly what is working and what is not.