SEO, AEO, GEO, LLMO: what all the search acronyms actually mean
There are now about fifteen acronyms for "get found online", and someone is trying to sell you all of them. Here's what each one actually means, which three are genuinely different jobs, which are the same work under a new name, and what a small business should do about any of it.
Somewhere between 2023 and now, "SEO" turned into an alphabet. AEO. GEO. LLMO. AI SEO. AIO. GAIO. SAO. Every few months a new three-letter label appears, along with an agency offering to sell it to you as a separate service with a separate invoice.
Some of it is real. Search genuinely changed — people now get answers from ChatGPT and from Google's AI summaries without clicking anything, and that is a different problem from ranking at number three on a page of blue links. But most of the acronyms are the same work wearing a new hat, and it helps to know which is which before you pay for fifteen things that are actually four.
The full list, in plain English
Here is every acronym you are likely to be pitched, what it stands for, and what it is actually trying to achieve.
| Acronym | Stands for | The actual goal |
|---|---|---|
| SEO | Search Engine Optimization | Rank on Google and Bing |
| AEO | Answer Engine Optimization | Be the direct answer, not just a result |
| GEO | Generative Engine Optimization | Get cited by AI when it answers |
| LLMO | Large Language Model Optimization | Be visible inside models like ChatGPT |
| AI SEO | SEO adapted for AI search | Ordinary SEO plus AI discovery |
| AIO | AI Optimization | Make your content legible to AI systems |
| GAIO | Generative AI Optimization | Show up in generated results |
| SAO | Search Answer Optimization | Win answer-style searches |
| VSO | Voice Search Optimization | Be what Siri or Alexa reads out |
| ASO | App Store Optimization | Rank in the App Store and Play Store |
| Local SEO | Local Search Optimization | Show up in Maps and "near me" results |
| Entity SEO | Entity / Knowledge Graph Optimization | Make search engines understand who you are |
| E-E-A-T | Experience, Expertise, Authority, Trust | Be credible enough to be trusted |
| CRO | Conversion Rate Optimization | Turn the visitor into a customer |
| SCO | Social / Content Search Optimization | Get found on social platforms too |
Read that list twice and the overlap becomes obvious. AEO, GEO, LLMO, AIO, GAIO, and SAO are six names for roughly one idea: be the thing the machine quotes when it answers the question.
What actually changed
The reason any of this exists is a real shift in how people search, and it is worth understanding before you decide what to spend on.
- A lot of searches now end without a click. Google answers at the top of the page, the person reads it, and nobody visits a website. Industry estimates put this at well over half of all searches now. Whether that is actually a problem for your business is a separate question — will AI search kill my website traffic works through it with the real numbers.
- People ask AI tools directly. Instead of "best accountant Shimla", they ask ChatGPT to recommend one and explain why. The answer names two or three businesses. That list is the new page one.
- AI answers are built from sources, not from thin air. The model pulls from pages it can find, read, and trust. Which means being findable and clearly written still matters — it just pays out differently.
So the shift is real. What is not real is the idea that it needs fifteen separate services.
The three jobs that are genuinely different
Strip out the duplicate labels and you are left with a short list. These are actually different pieces of work, and a business can sensibly buy them separately.
- Getting found (SEO, and every AI variant of it). Being visible when someone is looking — in blue links, in AI answers, in Maps. The tactics differ slightly between them; the underlying work is the same site, the same content, the same credibility.
- Being local (Local SEO). Maps listings, your Google Business Profile, reviews, consistent address and phone number everywhere. Genuinely a distinct skill, and for most shops, clinics, and trades it is worth more than everything else on the list combined.
- Turning visitors into customers (CRO). Completely separate from being found. You can be first for everything and still lose every enquiry because your phone number is hidden and the form has nine fields. This one is usually the cheapest to fix and the most ignored.
The ones that are the same job renamed
AEO, GEO, LLMO, AI SEO, AIO, GAIO, and SAO all point at the same target from slightly different angles. If someone quotes you for four of them as four line items, that is a pricing decision, not a technical one.
The work behind all of them is genuinely short to describe:
- Answer the question in the first two lines. AI systems lift clear, direct statements. A page that warms up for four paragraphs before saying anything gets skipped.
- Structure the page properly. Real headings, short sections, one idea each, a genuine FAQ where questions are actually asked. This is the same structure that helps a human skim, which is not a coincidence.
- Be consistent about who you are. Same business name, same address, same phone number, same description everywhere it appears. Contradictions make a machine unsure, and an unsure machine picks someone else.
- Say something only you can say. Prices, timelines, what you refuse to do, what went wrong on a real project. Generic content is exactly what an AI can already write, so it has no reason to quote it.
Every acronym on the list is a different answer to one question: can a machine tell what you do, and does it trust you enough to say so out loud?
The ones that only matter in specific cases
A few are real disciplines that simply may not apply to you, and paying for them anyway is money gone.
- ASO matters only if you have an app in the stores. No app, no ASO.
- VSO is mostly absorbed into the rest now — the plain, direct phrasing that wins voice answers is the same phrasing that wins AI answers.
- SCO matters if your customers genuinely search on Instagram, YouTube, or Reddit rather than Google. For some businesses that is now most of them; for a B2B supplier, it is nearly none.
- Entity SEO and E-E-A-T are less services than standards. They describe being a clearly identifiable, credible business — real author names, a real address, real reviews, an About page that reads like a person wrote it.
What a small business should actually do
If you own a shop, a clinic, a hotel, or a trade business, here is the honest order of priority. It has not changed as much as the acronym count suggests.
- Fix your Google Business Profile first. Hours, photos, services, and a steady trickle of reviews. For local businesses this still beats everything else, and it is free.
- Make sure your website can be read. Fast, works on a phone, real text rather than words baked into images, clear headings. If a machine cannot read it, none of the fifteen acronyms apply to you. If you do not have a site yet, why your shop needs a website is the place to start.
- Put your real details in plain text. Prices or price ranges, service areas, timings, what you do and do not do. This is the single highest-return change for AI answers, and most sites hide all of it.
- Write the pages people actually search for. One page per real service, answering the questions customers ask on the phone. Five useful pages beat fifty thin ones.
- Then check the enquiry actually works. Phone number tappable, WhatsApp button visible, form short. Traffic you cannot convert is a vanity metric.
That list covers SEO, AEO, GEO, LLMO, AIO, and most of the others at the same time — because they were never really fifteen jobs.
Getting it done without the alphabet
We build websites that are fast, readable, and structured so that both Google and AI tools can tell what your business does — and we will tell you which parts of the acronym list are worth your money and which are not. The full breakdown of what a build includes is on our web development page, and website development services covers how the work runs. Website design covers the part your customers actually see.
If someone has sent you a proposal with six acronyms and one big number on it, send it over. The first conversation is free, and if the honest answer is "your Google Business Profile is the only thing you need to fix", we will tell you that instead.
Frequently asked questions
What is the difference between SEO and AEO?
SEO aims to rank your page in a list of results so someone clicks it. AEO aims to make your page the answer itself — the paragraph Google or an AI tool reads out, whether or not anyone visits your site. The underlying work overlaps almost entirely; AEO just puts more weight on answering the question clearly and early on the page.
Is GEO different from AEO and LLMO?
Barely. GEO focuses on being cited by generative AI, AEO on winning direct answers, and LLMO on visibility inside large language models. In practice all three are achieved by the same things: clear structure, direct answers, consistent business details, and content that says something generic writing cannot. Treat them as one job with three names.
Do I need to pay for AEO or GEO as a separate service?
Usually not. If someone is quoting SEO, AEO, GEO and LLMO as four separate line items, ask them what work differs between the four — the answer is normally very little. What is worth paying for separately is Local SEO if you serve a local area, and CRO if you get traffic but few enquiries.
How do I get my business mentioned by ChatGPT?
There is no submission form and nobody can guarantee it. What genuinely helps is being clearly described on your own site in plain text, being consistent across your website, Google Business Profile and directories, having real reviews and mentions elsewhere, and publishing specifics — prices, timelines, service areas — that a model has no other way to know.
Is traditional SEO dead now that AI answers questions?
No. AI answers are assembled from pages that were found, crawled and trusted — which is what SEO produces. What has changed is that ranking alone no longer guarantees a visit, so the value has shifted towards being quoted and towards searches where people still click, like local and buying-intent ones.
Which of these matters most for a local business?
Local SEO, by a wide margin. A complete Google Business Profile with real photos, correct hours and a steady flow of reviews will do more for a shop, clinic or trade business than every AI acronym combined — and it costs nothing but attention.
What is CRO doing on a list of search acronyms?
Because it is the one that decides whether any of the others pay off. Being found is worthless if the visitor cannot see your phone number, the form asks for nine fields, or the page never says what you charge. CRO is usually the cheapest fix on the list and the one most often skipped.