GEO — generative engine optimization — is the work of getting your business mentioned in AI-generated answers. SEO is the work of ranking in search results. They overlap heavily, and the differences are smaller than the people selling GEO would like you to believe.
The honest comparison
| SEO | GEO | |
|---|---|---|
| Goal | Rank in search results | Be cited in AI answers |
| Measured by | Rankings, traffic, enquiries | Whether you get named — and the sample is unstable |
| Gated by authority | Heavily | Much less — small sites do get cited |
| Sends traffic | Yes | Rarely — cited sources see roughly 1% click rates |
| Main lever | Content plus links | Content structure, directories, reviews |
What actually differs
Three things are genuinely different, and they are worth doing:
- Directories matter more than links. Tested across three AI engines, answers to “best agency in X” were assembled almost entirely from directory databases — review counts, client mix, project sizes. A business absent from them is uncitable regardless of site quality.
- Structure beats keyword placement. Direct answers stated up front, questions as headings, comparison tables, specific numbers. AI quotes what is quotable.
- Authority gates you less. Small domains genuinely win AI citations where they cannot yet win rankings — which makes GEO a rare place a newer site can compete now.
What is oversold
GEO as a separate service with separate fees. Most of what works is good SEO practice — clear structure, direct answers, real specifics, a credible entity across the web. And the traffic reality is sobering: cited sources see about a 1% click rate, so being quoted is a visibility and credibility asset rather than a traffic channel. Anyone selling GEO as a traffic strategy is overstating it.
What to actually do
- Answer the question in the first paragraph of every page
- Use the buyer’s question verbatim as your headings
- Publish comparison content with disclosed criteria
- Get into the directories your category is judged by, and get reviews on them
- Publish an llms.txt and allow AI crawlers
Related: what SEO is, what SEO services include, our SEO services.
GEO and AI search — questions answered straight
What is GEO in marketing?
Is GEO different from SEO?
Does GEO bring traffic?
Should I pay for a separate GEO service?
How do I get cited by ChatGPT or Perplexity?
Can a small website get cited by AI?
What is llms.txt?
How do I measure GEO?
Does schema markup help with AI answers?
Will AI replace search engines?
What actually differs between GEO and SEO?
Four things: the crawlers involved, how strictly rendering is enforced, whether the unit of competition is a page or a passage, and how success is measured.
Everything else is shared. Indexation, site health, internal linking, page speed and genuine authority serve both at once. An hour spent making a site crawlable and fast is an hour spent on both disciplines, which is the strongest argument against treating them as separate budgets run by separate agencies.
The crawlers
SEO thinks about Googlebot and Bingbot. GEO adds GPTBot, OAI-SearchBot, ChatGPT-User, PerplexityBot, Google-Extended and ClaudeBot — a set that conventional SEO audits do not check, and that sites block by accident more often than deliberately.
Rendering strictness
Google renders JavaScript reasonably well. Many AI crawlers execute little or none, so a rendering fault that costs a little in Google costs everything in a generative answer.
Page versus passage
SEO competes with pages for positions. Generative retrieval selects passages, so a section has to answer its own heading and survive being lifted out of context.
Ten results versus three sources
Google shows ten links; an assistant names three or four sources. There is no page two, so the long tail of positions does not exist.
Links versus corroboration
SEO leans on links as the authority signal. Generative retrieval also weighs what third parties say about you directly, not only through link equity.
Rankings versus prompt sets
SEO measures positions, which are broadly repeatable. GEO measures mentions and citations sampled from a system that varies between runs, which requires repetition to mean anything.
Does GEO replace SEO?
No, and the dependency runs one way. Generative surfaces retrieve from indexes that conventional SEO builds and maintains. Removing the SEO work removes the foundation the GEO work stands on.
The reverse is not true — you can do competent SEO and be entirely invisible to AI answers, which is the situation most sites are in. That asymmetry is the whole reason GEO exists as a separate conversation.
Where should the budget go?
Into one programme, not two. The overlap is large enough that splitting it produces duplicate technical work and two reports that disagree about the same site.
Within that programme, the sequence that wastes least is: fix anything suppressing the site, unblock and verify the AI crawlers, make the commercial templates render without JavaScript, restructure the pages that sell, then build corroboration. The first three are cheap and decisive; the last is slow and durable.
How do you measure each one?
Separately, and that separation matters. SEO measurement is close to deterministic — a rank check repeats. GEO measurement is sampled from a non-deterministic system, so a single observation proves nothing and the same prompt wording has to be re-run over time.
Reporting them in one merged number is how weak programmes hide. Keep the technical measures — crawler access, rendering, indexation — apart from the visibility measures, and state the confidence of each.
Which should a business do first?
SEO, if the site is not indexed or not healthy, because nothing else can work. GEO immediately alongside it otherwise, because the two cheapest fixes in the whole field — unblocking crawlers and fixing rendering — take hours and are pure GEO work.
GEO and SEO, side by side
| SEO | GEO | |
|---|---|---|
| Crawlers | Googlebot, Bingbot | Plus GPTBot, OAI-SearchBot, PerplexityBot, Google-Extended, ClaudeBot |
| JavaScript rendering | Handled reasonably well | Often not executed at all |
| Unit of competition | The page | The passage |
| Result format | Ten ranked links | Three to five named sources |
| Tail visibility | Position 8 still earns clicks | Not in the answer means invisible |
| Primary authority signal | Links | Links plus direct third-party corroboration |
| Measurement | Rank tracking, repeatable | Prompt sampling, varies between runs |
| Dependency | Stands alone | Depends on indexation from SEO |
Frequently asked questions
What is the difference between GEO and SEO?
GEO targets AI-generated answers, SEO targets ranked search results. The work overlaps heavily; GEO adds a second crawler set, stricter rendering requirements, passage-level structure and prompt-based measurement.
Does GEO replace SEO?
No. Generative surfaces retrieve from web indexes, so a page that is not indexed cannot appear in an AI answer. The dependency runs one way.
Can I do SEO well and still be invisible in AI answers?
Yes, and most sites are. Competent SEO does not check whether GPTBot can reach you or whether your pages render without JavaScript.
Should GEO and SEO be separate budgets?
No. The overlap is large enough that splitting them produces duplicate technical work and two contradictory reports.
Which do I do first?
SEO if the site is unhealthy or unindexed, because nothing else can work. Otherwise both at once — the cheapest GEO fixes take hours.
How is GEO measured differently?
By sampling a fixed prompt set repeatedly, because the same question produces different answers between runs. Rank tracking has nothing to track inside an AI answer.
Is GEO the same as AEO and AI SEO?
Substantially, yes. They are four labels for one discipline that emerged from four different communities.
What is the single biggest practical difference?
Rendering. Google copes with JavaScript; many AI crawlers do not, so the same fault has a far larger cost in generative answers.
Do links still matter for GEO?
Yes, indirectly through indexation and authority, and directly because third-party mentions are corroboration in their own right.
How long does GEO take compared to SEO?
Crawler and rendering fixes show within days to weeks, which is faster than most SEO. Citation frequency moves over months, which is comparable.
Related
Get a free marketing proposal
Tell us what you are trying to grow and we will come back with a plan, not a pitch deck. Same-day reply on weekdays.