What SEO has always optimized for
SEO is the practice of earning visibility on a ranked results page. It optimizes for crawlability, indexation, on-page relevance, backlinks, and user signals so a page can rank for queries that match its content.
What AEO optimizes for
Answer Engine Optimization (AEO) is the practice of structuring information so AI systems can include, cite, and recommend a business inside generated answers. The unit of optimization shifts from a ranked URL to an extractable, attributable answer.
Where SEO and AEO overlap
Strong AEO depends on many SEO fundamentals: crawlable HTML, valid schema, fast pages, topical authority, and a credible link graph. AEO is not a replacement for SEO — it is the layer above it.
A simple side-by-side
The clearest contrast:
- SEO unit of measure: ranked position on a SERP.
- AEO unit of measure: inclusion, citation, and recommendation inside a generated answer.
- SEO traffic model: clicks from a results page.
- AEO traffic model: branded recall, direct visits, and downstream conversions after AI exposure.
- SEO failure mode: ranked but ignored.
- AEO failure mode: omitted from the answer the customer actually sees.
How to think about the transition
Most businesses will run both. Strong SEO supplies the credibility AI systems use to decide who to include. AEO ensures that credibility actually shows up in the generated answer. Measuring only one leaves a blind spot.
Frequently asked questions
Is SEO dead?
No. SEO is a major input into AEO. Many of the signals that earn organic rankings also influence which sources AI systems cite and recommend. SEO is not dead — it is being augmented by AEO.
Should businesses do AEO instead of SEO?
Almost no business should replace SEO with AEO. The right approach is to keep doing strong SEO and add AEO measurement and structure on top of it.
What is the single biggest difference?
SEO measures position on a results page. AEO measures presence inside a generated answer. The first is a slot; the second is whether the AI even mentions you.