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LLM SEO | 12 min read

AEO vs SEO: Two Jobs, One Toolbox

By ยท Updated ยท 12 min read

The short answer

SEO tries to win a position in a list of links. AEO tries to have your words used inside an answer somebody else composes. They share most of their technical foundation and diverge sharply on what counts as good writing.

They are not alternatives and choosing between them is the wrong frame. Roughly two thirds of the work serves both. The argument only exists over the remaining third, and that third is small enough that most businesses should do both and sequence them rather than pick.

If you are forced to sequence, do the answer work first. It is faster to show movement, most sites have obvious ground in it, and the changes it asks for improve pages for people as well, which is not true of every ranking tactic.

The rest of this page is about which third is which, because that is the part that decides where a budget goes.

If you only remember one thing

The overlap is bigger than the conflict. Do the shared work without arguing about it, and treat the divergence as a sequencing question rather than a philosophical one.

The difference that produces every other difference

One structural fact explains all the divergence: the unit of value.

In search, the unit is the page, and the outcome is a visit. Everything follows from that. You optimize the whole page because the whole page is what a visitor experiences. You care about the title because the title is what earns the click. You care about the position because position determines whether the click happens.

In an answer, the unit is the passage, and the outcome is frequently no visit at all. Something is extracted from your page, combined with material from elsewhere, and served to a person who may never reach you. You optimize the paragraph because the paragraph is what travels.

That single change cascades. It is why self-contained sentences matter here and never mattered before. It is why a comprehensive page can lose to a thinner one. It is why measurement has to be done by asking rather than by reading your analytics, because the visit that would have carried the evidence never happens.

Anybody explaining AEO without naming this difference is describing tactics without the mechanism that produces them.

What each piece of work actually buys Two axes: does it help a page rank, and does it help a passage be used in an answer. Answers only Answer-crawler access. Liftable openings. Self-contained claims. Both Depth on one subject. Honest structure. Being referenced. Neither Keyword density. Word counts hit for their own sake. Ranking only Title click-through. Anchor text tuning. Snippet formatting. Helps ranking Less More Helps answers More Less
Arguments about AEO against SEO are usually arguments about the two single-purpose quadrants. The shared quadrant is most of the work and nobody disputes it.

What genuinely overlaps

Most of the work is shared, and it is worth being specific so nobody duplicates effort or argues about settled ground.

Being fetchable. If a client cannot retrieve the page, both disciplines fail. The nuance is that search crawlers and answer crawlers are separate named clients governed separately, so this is one check with several answers.

Structure that matches meaning. Headings that describe what follows, sections holding one idea, tables where a table is genuinely clearer. This helps a skimming reader, helps a ranking system understand the page, and helps an extractor find the right passage.

Real depth on a subject. Fifteen connected pages answering the questions around one subject beat forty scattered pages, and they do so for both purposes. Search rewards it as authority. Answers reward it because reaching for you becomes reasonable.

Being referenced by other people. Links have always mattered for ranking. Being discussed where assistants draw matters for answers. The activity that produces both is the same activity.

If a piece of work falls into any of those four, do it and stop debating which discipline it belongs to.

What only helps answers

Three things matter for answers and are close to irrelevant to ranking, which is why a traditional program never surfaces them.

Access for answer crawlers specifically. A site can be entirely open to search and closed to answers. This produces total absence from answers with no effect on rankings at all, so nothing in a ranking report would ever hint at it.

The liftable opening. Putting the conclusion in the first two sentences is close to decisive for whether a passage can be used, and has modest effect on whether the page ranks. A ranking audit will rarely raise it.

Claims that survive extraction. Sentences that stand alone when removed from their paragraph. Nothing in search cares about this, because search delivers the reader to the page and assumes they start at the top.

These three are cheap, fast and invisible to conventional tooling, which is a good summary of why businesses that only run search programs are frequently absent from answers without knowing why.

What only helps ranking

The reverse category is real and smaller, and worth naming so nobody abandons work that is still earning.

Title phrasing tuned for click-through is ranking work. An answer has no click to earn and no title to display, so a title optimized for curiosity does nothing there.

Internal anchor text variation is ranking work. It shapes how a ranking system understands relationships between your pages and has no analogue in passage extraction.

Snippet formatting, the small structural moves that win a featured position, are ranking work. They matter because that position exists. Nothing equivalent exists inside a generated answer.

The competitive adjustments made to overtake one specific page above you are ranking work, and they are the least transferable of all, because in answers there is no page above you and no order to climb.

The one place they genuinely conflict

There is exactly one real conflict and it is about length and structure rather than about tactics.

Ranking work pushes pages longer. Comprehensiveness competes well, incumbents are long, and covering every facet of a subject is rewarded. That pressure is real and it is not wrong.

Answer work pushes toward the conclusion arriving immediately and the claim standing alone. A long page that builds carefully to its point buries the sentence worth quoting under three paragraphs of setup.

These are not opposites but they pull, and the way most sites resolve the pull is by default rather than by decision. The page gets longer, the point drifts down, and the page becomes good at one job and poor at the other.

The correct resolution is structural. State the answer plainly at the top, then be as comprehensive as the subject warrants underneath it. That serves the visitor who arrives, the system judging thoroughness, and the extractor looking for a clean statement. It is more work than either instinct alone, which is exactly why it does not happen by accident.

They cannot be measured the same way

This difference causes more organizational trouble than any tactical one, because it determines what can be reported.

Search is measurable in tooling you already own. Impressions, positions, clicks, all attributable, all trended. A program can show a chart every week.

Answers are not. A person who reads your name in a generated answer and then searches for you arrives as direct traffic. The assistant leaves no fingerprint, so there is no dashboard that shows this and no attribution to build.

The only honest measurement is asking. Fix a set of questions phrased as a buyer would phrase them, ask each repeatedly, record how often your name appears, and repeat monthly. That is a real measurement and it looks nothing like a search report, which creates friction with anybody expecting one.

Agree what will be reported before the work starts. A program that promises search-style reporting for answer-side work will end in an argument regardless of whether it succeeded. Our page on the AI visibility score covers what a single number can and cannot carry.

Which to do first

If you have appetite for one, the answer work is the better first move for most businesses, for four reasons that are worth stating rather than asserting.

It is faster. Access changes take effect as soon as pages are refetched, and rewritten openings can show within weeks on assistants that cite their sources. Ranking work runs on months and is confounded by everything else in the results.

It is cheaper. The two highest-return items are reading your own access rules and relocating conclusions you already wrote. Neither needs a supplier.

Most sites have obvious ground. Commercial writing habits are close to universal, so the liftable-opening problem is nearly always present and nearly always unaddressed.

And the downside case is mild. If it moved nothing, you would still have a clearer site, which is not true of most ranking tactics.

The argument for doing search first is if you currently have no organic presence at all and need traffic this quarter. Answers do not reliably produce visits, so if the immediate need is sessions rather than presence, that is an honest reason to sequence the other way.

The organizational problem nobody mentions

The two disciplines usually sit with different people, and that causes more failures than any technical issue.

Answer-crawler access is controlled by whoever owns the edge, which is frequently a different department from the one reading the report. The person who can see the problem cannot change the rule, and the person who can change it never sees the report. Access failures persist for months for exactly this reason.

The editorial changes touch pages owned by senior people who argued about those openings once already. Bringing evidence rather than a framework is what moves this. Showing somebody the first two sentences of their own page next to the question it is supposed to answer is more persuasive than any explanation of retrieval.

And the depth commitment cuts across whoever plans content, where the instruction reliably gets translated into more content. The instruction that survives is one subject, not more pieces, and it has to be said in those words.

The honest trade-off

The uncomfortable part is that doing both properly costs more than doing either well, and the shared portion does not shrink the total as much as it looks like it should.

The overlap is real, but the divergent third pulls in genuinely different directions on the pages that matter most commercially. Serving both means writing pages that state their answer immediately and then go long, which is harder than writing either kind.

There is also an attention cost. Two disciplines means two sets of reporting, two sets of expectations, and a permanent temptation to judge the slower one by the faster one's standards.

What makes it worth doing anyway is that the shared two thirds is genuinely shared. Depth, structure and being referenced are not paid for twice. Once you have accepted that, the marginal cost of the answer work is a few access checks and an editorial habit, which is a small bill for entering a channel you are currently absent from.

A note on the vocabulary

The naming in this area is genuinely unsettled, and the confusion is worth clearing because it wastes a surprising amount of time in meetings.

AEO, answer engine optimization, generally means being used inside answers. GEO, generative engine optimization, usually means the same thing with a different emphasis. LLM SEO tends to mean the same again. In practice the three labels describe one activity, and which one a supplier uses tells you about their vocabulary rather than their method.

What this means when buying is that the label is not a specification. Two suppliers using identical words can be selling a technical access review and a content program respectively. The questions that actually separate them are what they measure, which crawlers they name, and whether a baseline is included.

It also means arguing about the terms is a poor use of a meeting. The mechanism does not change with the name, and the four quadrants above sort the work correctly regardless of what anybody calls it.

Bottom line

Not a choice. Two thirds of the work is shared and should be done without argument: be fetchable, structure honestly, go deep on one subject, be worth referencing.

The divergent third is where the decisions are. Answer work wants access for the right clients, a conclusion in the first two sentences, and claims that stand alone. Ranking work wants titles that earn clicks and the competitive adjustments that hold a position.

Do the answer third first if you can. It is faster, cheaper, and its worst case still leaves you with a clearer site. And agree the measurement before you start, because the two disciplines cannot be reported the same way and pretending otherwise is how good work gets called a failure. Our three-way comparison of SEO, GEO and AEO covers how the vocabulary fits together.

Frequently asked questions

Is AEO replacing SEO?

No. They share most of their foundation and answer different questions. Search sends visits, answers build presence, and a business that abandons one for the other gives up something it was already earning.

Can I do both with one team?

Yes, and it is more efficient because the shared technical and depth work is not paid for twice. The difficulty is organizational rather than technical, because access sits with a different department from the one reading the report.

Do they ever genuinely conflict?

On length and structure. Ranking work pushes pages longer and answer work wants the conclusion first. The resolution is to state the answer at the top and be comprehensive underneath rather than to pick a side.

Which shows results faster?

Answer work, usually. Access changes take effect as soon as pages are refetched and rewritten openings can show within weeks on assistants that cite sources. Ranking runs on months.

How do I report on AEO to somebody expecting SEO numbers?

By changing what is reported before the work starts. Answers leave no attribution trail, so the honest measure is how often your name appears across a fixed question set asked repeatedly, not sessions or positions.

If I can only do one, which?

The answer work, unless you need traffic this quarter. It is faster, cheaper, most sites have obvious ground in it, and its failure case still leaves the site clearer.

MG
Written by

Matt is the founder of RunOctopus. He built All Angles Creatures from zero to page-1 rankings in reptile feeder insects using exactly this method. Turning a hard, entrenched niche into RunOctopus's proof store for programmatic SEO and AI search citation.

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