AEO vs SEO: what actually changed, and what didn't.

Short answer

AEO is not a new discipline that replaces SEO. It is a set of habits layered on top of it. If your technical SEO is broken and your content is vague, no amount of "optimizing for AI" will help. If your SEO is sound and you write in clear, self-contained answers, you are already most of the way there.

The confusion comes from vendors framing AEO as a new line item. It sells better than "write clearly and make your site fast." The underlying work is the same.

What actually changed

The delivery mechanism changed, not the fundamentals. Historically, a buyer typed a query, scanned a list of blue links, and clicked. Now a meaningful share of research happens inside an assistant that returns a synthesized answer. Your content either feeds that synthesis or it does not.

Three practical consequences:

• Being cited matters more than being ranked. A page in position six that gets quoted is worth more than a page in position two that gets skipped.
• Clear structure is now a ranking factor in practice. Assistants extract passages. A paragraph that answers one question completely is far more quotable than a wall of prose that circles it.
• Brand mentions matter. Models are trained and grounded on material across the web. If you are only present on your own domain, your presence is thinner.

What did not change

Crawlability. Speed. Internal linking. Accurate page titles. Descriptive headings. Genuine expertise. There is no version of the future where a slow site with duplicate content and no clear point of view wins because it added an FAQ block.

Search engines and answer engines both need to fetch your page, understand what it is about, and decide whether it is trustworthy. That has been true for twenty-five years.

What to do, concretely

• Answer questions directly. Lead with the answer, then explain. Do not make a machine infer your point from four paragraphs of build-up.
• Use real headings. One question per heading. It helps readers skim and helps machines extract.
• Keep facts current. Dates, prices, service areas, hours. Stale facts get you skipped or, worse, misquoted.
• Add structured data. Organization, service, and article markup give machines a clean version of who you are.
• Publish consistently. One useful post a week beats a burst of twelve followed by silence.

The honest bottom line

Treat AEO as a quality bar, not a product. The businesses that win are the ones whose sites answer real customer questions in plain language, quickly, wherever the customer happens to be looking. That is not a new strategy. It is just the old one, taken seriously.