SEO vs AEO
The Difference Between SEO and AEO - Why It Matters in 2026
Search is changing faster than most brands realise. For the past two decades, SEO has been the dominant framework for online visibility. But a new discipline is emerging alongside it. One that operates by entirely different rules.
This is the difference between SEO and AEO, and why understanding both is no longer optional.
What is SEO?
Search Engine Optimization is the practice of optimising your content so it ranks highly in search engine results pages, primarily Google. When someone types a query, Google returns a list of links. SEO determines which links appear at the top.
The core mechanics of SEO include keyword research, backlinks, technical site health, and content quality. Success is measured in rankings and organic traffic.
What is AEO?
Answer Engine Optimization is the practice of optimising your content to appear in AI-generated answers. When someone asks ChatGPT, Google AI Overview, or Perplexity a question, they receive a direct, synthesised answer - not a list of links.
AEO determines whether your brand is cited as a source in that answer.
The core mechanics of AEO include content structure, topical authority, third-party citations, and making your content easy for AI systems to extract and reference. Success is measured in brand mentions, citations, and share of voice across AI platforms.
The key differences
SEO optimises for clicks. AEO optimises for citations.
In SEO, the goal is to get a user to visit your website. In AEO, the goal is to be the source an AI system trusts enough to reference when answering a question, even if the user never visits your site at all.
This shift is significant. Studies suggest that Google AI Overviews now appear in approximately 84% of searches. When an AI overview appears, click-through rates on organic results drop sharply. Traffic is no longer a reliable indicator of visibility.
Do they work together?
Yes, and this is important. SEO and AEO are not competing disciplines. Strong SEO remains the foundation. A technically sound, well-structured website with high-quality content is still the starting point for both.
But AEO extends beyond your website. It requires managing how your brand appears across the entire web - on Reddit, in news articles, on review platforms, and anywhere else AI systems gather information.
The brands winning in 2026 are not choosing between SEO and AEO. They are building for both simultaneously.
What this means for your content strategy
If you are still measuring success purely in rankings and traffic, you are missing a growing share of your actual visibility. The questions your customers are asking AI right now may already be influencing their decisions, and your brand may or may not be part of those answers.
AEO is not a replacement for SEO. It is the natural next step for any brand serious about being found in a search landscape that has fundamentally changed.
Myself, André Havéus, is an SEO and AEO Copywriter and AI Search Strategist helping brands build visibility in both traditional and AI-powered search. Based between Karlshamn, Sweden and Cape Town, South Africa.