Agentic commerce
AEO (Answer Engine Optimization)
AEO is the practice of structuring content so that AI assistants quote it and cite the source, as distinct from optimising for a ranked list of blue links.
The mechanics differ from classical SEO in one decisive way. A search engine ranks pages; an assistant extracts a passage. That rewards content where a complete, self-contained answer appears early and can be lifted without the surrounding context — and penalises the narrative build-up that ranked well when a human was going to click through and skim.
The other reliable signal is attribution. Content that cites its sources with dates is disproportionately quoted, because a model choosing what to repeat is implicitly assessing whether the claim is checkable.
What an answer engine does differently
A search engine ranks documents and hands the reader a list. An answer engine retrieves a set of documents, extracts the passages it judges relevant, composes one response and attributes part of it. The competition therefore happens a level below the page: the unit that wins or loses is a passage, not a URL.
That runs against the habits classical SEO rewarded. A page built to hold a reader — context first, definition in the middle, conclusion at the end — offers no extractable unit. Every candidate passage in it leans on the paragraphs above to make sense, and a passage that cannot survive being lifted will not be lifted.
The inverted structure is the one that works: the complete answer in the first two sentences under a heading phrased as the question, then the reasoning for readers who want it. It reads flatter than the essay version. That is the trade, and it is a real one rather than a rhetorical concession.
AEO, GEO and SEO, separated cleanly
The three are used interchangeably by people selling all three, which obscures the only distinction that matters in practice: what is being optimised.
SEO optimises a page for a position in a ranked list. AEO optimises a passage so a system will lift and cite it. GEO — Generative Engine Optimization — optimises a brand's whole footprint, including third-party sources that make up most of what generative systems draw on. AEO is a craft, GEO is the strategy that craft serves, and SEO is the retrieval baseline both depend on.
They stack rather than substitute. Nothing can quote a passage it could not retrieve, and no amount of extractable prose compensates for a page a crawler is refused at the edge. The useful question is therefore not which discipline to adopt but which failure you currently have.
| If the problem is… | The discipline | The concrete fix |
|---|---|---|
| Nothing retrieves the page at all | SEO, plus crawler access | Indexable, linked, server-rendered pages and a robots policy that admits answer engines |
| The page is retrieved but never quoted | AEO | Self-contained answers stated first, under headings phrased as the question |
| You are quoted but described wrongly | AEO and structured data | Explicit facts in markup, generated from the same source the page renders from |
| You are not mentioned in the first place | GEO | Consistent brand facts everywhere, and presence in coverage you do not own |
What makes a passage liftable
The properties below are not stylistic preferences. Each removes a specific reason an extraction step would discard the passage, or an evaluation step would decline to trust it.
- No antecedents pointing outside itself. "This approach" and "as noted above" are what make a paragraph unquotable — the referent is gone the moment the passage is lifted.
- The answer in the first sentence. An extraction window is finite, and an answer arriving in sentence six may fall outside it.
- One claim per paragraph, with its number, unit and period attached. A figure separated from what it measures is a claim a careful system will not repeat.
- A heading phrased as the question. It is the cheapest signal available that the text beneath answers that exact question, and it survives every chunking strategy.
- Dates and named sources. Attribution is reliably rewarded because a system deciding what to repeat is implicitly assessing whether the claim is checkable.
- Visible on the page, not only in markup. FAQ structured data makes a question-and-answer pair explicit, but the answer has to exist in the DOM — markup describing content a reader cannot see is ineligible for rich results and useless to anything extracting from rendered text.
The trade AEO asks you to make
Being cited is not the same as being visited. An assistant that lifts your answer has served the reader without sending them, so a page optimised for extraction can be more useful to more people while producing fewer sessions than the version that made them scroll.
The return is real but it is brand-level rather than traffic-level: being the source a system repeats, and being the site a shopper arrives at already carrying your framing of the question. That is a poor fit for a weekly traffic report and a good fit for how purchases in considered categories actually happen.
It also cannot be measured the way rankings were. There is no position to track — only a sampled citation rate, obtained by running a fixed set of prompts on a schedule and recording how often you appear, and reported honestly as a survey with a sample size rather than as a rank.
Frequently asked questions
- What does AEO stand for?
- Answer Engine Optimization: structuring content so AI assistants and answer engines quote it and cite the source, rather than optimising for a position in a list of links. The distinguishing move is that the unit of competition is a passage that can be lifted whole, not a page that ranks.
- What is the difference between AEO and SEO?
- SEO competes for a position in a ranked list and succeeds when someone clicks. AEO competes to be the passage an assistant extracts and attributes, and succeeds when you are cited — which may produce no visit at all. The techniques overlap on retrieval and diverge on structure: SEO tolerates a slow build, AEO requires the answer first.
- Is AEO the same as GEO?
- No. AEO works at the level of a passage: writing an answer that can be lifted and cited. GEO — Generative Engine Optimization — works at the level of a brand footprint, including third-party sources you do not control, which make up most of what generative systems draw on. AEO is one component of GEO.
- How do I write a page an answer engine will quote?
- Put the complete answer in the first two sentences under a heading phrased as the question. Remove every reference pointing outside the paragraph, keep one claim per paragraph with its number and unit attached, and date your facts. Then confirm the text exists in the raw HTML rather than appearing only after client-side rendering.
- Does AEO reduce my traffic?
- It can. An assistant quoting your answer has served the reader without sending them, so citation and sessions stop being the same metric. The compensation is being the source of the framing a shopper arrives with, which shows up in brand recall and conversion rather than in a session count.
- Do I need FAQ schema for AEO?
- It helps and it is not sufficient. FAQPage markup makes a question-and-answer pair explicit for machines, but the answer must also be visible on the page: markup describing content a reader cannot see is ineligible for rich results and useless to anything extracting from rendered text.