SEO (Search Engine Optimization) is about getting indexed and ranked in traditional search. GEO (Generative Engine Optimization) is about being cited inside AI-generated answers. AIO (AI Optimization / AI Overviews) targets visibility in AI answer boxes on search engines. SXO (Search Experience Optimization) optimizes the whole post-click experience so visitors convert. They overlap, but each has a distinct goal — and conflating them is why strategies drift.
- ▪SEO: get indexed and ranked in classic search results.
- ▪GEO: get cited inside generative AI answers.
- ▪AIO: win visibility in AI overviews / answer boxes on search engines.
- ▪SXO: optimize the experience after the click so people convert.
- ▪They share inputs but chase different outcomes — name the game you’re playing.
Every few months a new two- or three-letter acronym lands in the marketing vocabulary, and teams start using them interchangeably until nobody can say what they’re actually optimizing for. The result is a strategy that tries to do everything and lands nowhere. A shared glossary fixes that — because these disciplines really are different jobs, even though they draw on the same foundations.
Here’s the plain-English version, and where each one begins and ends.
The four disciplines, defined
SEO is the original: earn crawlability, authority, and relevance so you rank in the classic list of links. GEO extends the goal into generative engines — being the source an LLM cites when it synthesises an answer. AIO is narrower and more recent, aimed at appearing inside the AI overviews and answer boxes that now sit atop search results. SXO shifts focus past acquisition entirely, optimizing the landing experience so the traffic you earn actually converts.
| Discipline | Goal | |
|---|---|---|
| SEO | Rank in traditional search results | |
| GEO | Be cited inside AI-generated answers | |
| AIO | Appear in AI overviews / answer boxes | |
| SXO | Convert visitors after the click |
Where they overlap — and where they don’t
All four feed on the same raw materials: technical health, structured data, genuine authority, and clear content. Improve those and every discipline benefits. But the outcomes diverge sharply. You can rank #1 (SEO) and still never be cited by an LLM (GEO). You can be cited everywhere (GEO) and still convert nobody (SXO). Treating them as one metric hides exactly these failure modes.
How to sequence them
Don’t chase all four at once. Get the SEO foundation right, because everything else draws on it. Layer GEO and AIO on top by making your best answers quotable and structured. Then make SXO non-negotiable, because winning visibility only pays if the post-click experience converts. Sequenced this way, each discipline compounds the last instead of competing for the same budget.
So which one are you actually failing at?
Map your last quarter’s work to these four buckets. If it all landed in SEO while your competitors are getting cited in AI answers and converting their traffic, the acronym you’re missing is the one to fund next. Clarity about the categories is the first step to a strategy that isn’t quietly incoherent.