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SEO, AEO, GEO and SMO: what they actually mean
Nobody running a business should have to learn four acronyms to buy a website. Here is what each one means in plain words, why it matters to you, and (just as usefully) what it does not mean.
The four acronyms, side by side
| Term | What it is | What it is not |
|---|---|---|
| SEO | Being found when a person searches. | Paid ads are a separate thing, and nobody controls where you land. |
| AEO | Being the answer read back directly, instead of ten links. | There is no trick for getting mentioned. |
| GEO | Being a source an AI assistant quotes while it composes an answer. | Often the same work as AEO under different initials. If someone sells you both, ask what the difference is. |
| SMO | The social layer: consistent details, posts built to be shared, profiles that link back. | Neither advertising nor SEO, and we do not sell it on its own. |
SEO: search engine optimization
What it is. Making it possible for Google to find your pages, work out what they are about, and put them in its list of results. It covers how the site is built, what the pages say, and how they link to each other.
Why it matters to you. If Google cannot read your site properly, it cannot show it. You are not competing badly. You are not in the race.
What it is not. It is not paying for ads. Ads are a separate thing you switch off and the traffic stops. It is also not a guarantee of position: nobody controls where you land.
AEO: answer engine optimization
What it is. The same idea, aimed at the tools that answer a question directly instead of showing ten links: ChatGPT, Google’s AI answers, Perplexity and the rest. It is about whether those systems can reach your page, understand it, and quote your business correctly.
Why it matters to you. Somebody asks an assistant "who does fence installation in Miami" and gets three names. If your site cannot be read, you are not one of them, and no visit is recorded, so you never even see the loss.
What it is not. It is not a trick to get mentioned. It is making the facts about your business machine-readable and unambiguous.
GEO: generative engine optimization
What it is. Closely related to AEO but not the same thing. AEO is about being the answer a search engine reads back. GEO is about being a source an AI assistant quotes while it composes its own answer. A site can be ready for one and not the other, which is why we score and report them separately.
Why it matters to you. Only useful so you can tell when two firms are using different initials to sell you the same piece of work. That is usually what is happening.
What it is not. It is not a separate service that should be priced separately from AEO. If someone sells you both as two things, ask what the difference is.
SMO: social media optimization
What it is. Making your social profiles and posts work harder: consistent business details, posts built to be shared, and profiles that link back to the site so the platforms and search engines agree on who you are.
Why it matters to you. Consistent details across profiles help search engines confirm you are a real, findable business. Sharing brings people who were never searching.
What it is not. It is not the same as running ads, and it is not the same as SEO. We do not sell this on its own. Our audit gives your social profiles a score, but we have no dated social result to show you, so we do not charge for it as one of the two services.
Crawling and indexing: how a page gets into google at all
What it is. Crawling is a robot visiting your page. Indexing is Google deciding to keep it and show it. Both have to happen, in that order, before any ranking is possible.
Why it matters to you. Plenty of sites have pages that are never crawled or are crawled and then dropped. That is usually a build problem, and it is fixable.
What it is not. Being crawled does not mean being indexed, and being indexed does not mean ranking. They are three separate steps.
Structured data: also called schema markup
What it is. A hidden block of information on the page that states plainly what the business is, what it sells, where it operates and who runs it, written in a format machines read directly rather than guessing from your paragraphs.
Why it matters to you. It removes ambiguity. It is the difference between a machine inferring your business and being told.
What it is not. It does not force Google to show a fancy result. It makes you understandable; it does not make you featured.
Readiness vs ranking: the distinction we insist on
What it is. Readiness is whether the site is built so it can be found and understood. Ranking is what position you actually appear in. We measure and report the two separately.
Why it matters to you. Readiness is the part anyone can control and prove. Ranking depends on your competitors and on search-engine changes nobody controls.
What it is not. They are not interchangeable, and averaging them is how a bad month gets presented as a good one. If a report gives you one blended score, ask which is which.
Baseline: writing down where you stand first
What it is. A record of your current numbers (how many people arrive, how many get in touch, and how the site scores), taken before anything changes, with the date on it.
Why it matters to you. A redesign does not delete your analytics or Search Console history, but a measurement nobody took cannot be reconstructed, and an undocumented old site is hard to evaluate accurately once it is gone. Without it, a claim about improvement becomes somebody’s word against nothing.
What it is not. It is not a report you pay for. It takes about an hour, it happens first, and you keep the written list of what to fix first and your numbers as they stand today, whether you hire us or not.
Conversion rate: the share of visitors who do something
What it is. Out of everyone who lands on your site, the percentage who actually get in touch: a call, a form, a message. If 500 people visit and 20 of them make contact, that is 4%.
Worth knowing before you are quoted one. The figure is only as good as the tag that counted it. We publish no conversion rate for our own Allday Fence rebuild, because that tag was lost in the migration and then blocked by a security header until 2026-07-10, so the counts under-record. The record says so in full.
Why it matters to you. You can double your traffic and earn nothing if the page does not answer why someone should choose you. This number tells you which problem you actually have.
What it is not. A contact is not a signed job. What happens after the phone rings is the business’s to close.
llms.txt and agents.json: files written for ai assistants
What it is. Two plain files at the root of a website. One is a readable summary of what the business does and what its published numbers mean. The other is machine-readable, and states how our figures may be quoted.
Why it matters to you. They make it harder for an assistant to describe your business wrongly, and easier for it to cite you accurately.
What it is not. They are not a replacement for a well-built site. No file makes a bad page rank. This site ships both, and they are worth roughly nothing without the HTML being right first.
The three outcomes any work has to move
Every business is trying to move one of three numbers. Before we agree to build anything, we name which one it is. Work that cannot be tied to one of these cannot be proved afterwards, and unprovable work is how agencies keep clients who are getting nothing.
1. Win more work. Inquiries, booked jobs, the share of visitors who get in touch, cost per inquiry. Customers who were not there last month. This is the number most owners already watch, and often the only one they watch. The dated evidence we hold for it: alldayfence.com went from 2 clicks to 176 in Google Search Console, across the 26 days before its rebuild and the 47 days after.
2. Earn more per customer. Average job value, repeat rate, lifetime value, time between jobs, add-ons per sale. Somebody who already bought needs no convincing that you exist, which is why this is usually the cheapest number to move and the one almost nobody gets to. A fence company that only ever sold installs starts sending a yearly check-and-repair reminder to every job it has finished: the same customers, no advertising, a second invoice. We hold no dated figure of our own for this outcome, and we say so rather than implying one.
3. Spend less doing the same work. Hours per job, mistakes, rework, time to respond, jobs per person. Nothing about what you deliver changes, only what it costs you to deliver it. A quote gets typed once instead of three times and goes out the same afternoon. This is usually the easiest of the three to prove, because the starting point is simple to write down before anything is touched. We hold no dated hours-saved figure of our own for this outcome either, including on our own automation work, and we would rather say that than round one up. Why we state it that way.
Common questions
What is the difference between SEO and AEO?
SEO aims at search engines that return a list of links. AEO aims at tools that answer the question directly, like ChatGPT or Google’s AI answers. The underlying work overlaps heavily: both need a site a machine can reach, read and understand. AEO puts more weight on clear, self-contained facts.
Is GEO different from AEO?
In practice, no. Both describe getting your business understood and quoted by AI systems that generate answers rather than list links. Different firms prefer different initials. If someone quotes you separately for each, ask them to describe the difference in plain words.
Do I need SMO as well?
Not usually as a separate purchase. Consistent business details across your profiles help search engines confirm you are real, and that is worth doing. But we have no dated social result to show you, so we do not sell social media optimization as a service of its own.
Which of these should a small business do first?
Write down your current numbers, then fix whether machines can read the site at all. Everything else is wasted until those two are true. If Google and the assistants cannot read the page, better content and more posting change nothing.
Does any of this guarantee more customers?
No, and anyone promising it is guessing. What can be promised is the part that is controllable and measurable: whether the site is built so it can be found, understood and quoted, measured before and after with the date attached.
If you would rather someone just told you which of these your business actually needs, that is what the free first step is for.