In short
SEO (search engine optimization) aims to rank your pages in a list of search results, while AEO (answer engine optimization) aims to have your content selected and cited as the answer itself. They share the same foundations, so most businesses should do both.
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The goal is different
SEO succeeds when someone clicks your page in a list of results. AEO succeeds when an assistant or answer box uses your content to respond, and ideally names you as the source.
Where they overlap
- Technical health: crawlable, fast, well-structured sites.
- Helpful, accurate, original content.
- Authority: reputation and trusted mentions.
- Structured data that explains what a page is about.
Where AEO adds work
- Answer-first formatting, with the direct answer at the top of the page.
- Question-based sections and FAQs.
- Entity clarity, so systems can tell who you are and what you do.
- Monitoring brand mentions and citations in AI answers, not just rankings.
What to do
Start with a solid SEO base, then layer AEO on top. Most AEO tasks also improve the experience for human visitors, so the work pays off either way.