What is AI Engine Optimization (AEO)?

A complete guide to understanding how AI-powered search engines find, evaluate, and recommend websites — and what you can do to make sure your business shows up.

Last updated: February 25, 2026 · By Vida Together

The Short Answer

AI Engine Optimization (AEO) is the practice of optimizing your website so that AI-powered search tools — like ChatGPT, Google AI Overviews, Perplexity, Gemini, and Claude — can understand, reference, and recommend your content. If SEO is about ranking on Google's results page, AEO is about getting cited in AI-generated answers.

Why Does AEO Matter?

The way people search for information is fundamentally changing. Instead of scanning a list of ten blue links on Google, millions of people now ask AI assistants direct questions and get direct answers. This shift has enormous implications for businesses:

  • 62% of search is projected to flow through AI engines by 2030. That is not a prediction from fringe futurists — it reflects the trajectory of ChatGPT, Google's AI Overviews, Perplexity, and Microsoft Copilot adoption rates.
  • 40% of Gen Z already prefers AI over traditional search. The next generation of consumers is training on a new interaction pattern. They do not Google — they ask.
  • AI answers cite sources. When Perplexity answers a question about the best project management tools, it links to specific websites. When ChatGPT recommends a restaurant, it pulls from structured data. If your site is not optimized for this, you are invisible.

The businesses that optimize for AI visibility now will have a significant first-mover advantage. Most competitors have not even heard of AEO yet — which is exactly why acting now matters.

How Do AI Search Engines Work?

Traditional search engines crawl web pages and rank them based on keywords, backlinks, and page authority. AI search engines work differently. They:

  1. Parse content for meaning, not just keywords. AI models understand context, entity relationships, and topical relevance. A page stuffed with keywords but lacking clear answers will perform poorly.
  2. Read structured data (schema markup). JSON-LD schema tells AI exactly what your business is, what you offer, and how to cite you. Without it, AI has to guess — and guessing leads to omission.
  3. Evaluate authority signals. AI models assess whether your site is a credible source. This includes external citations, consistent entity information across the web, and clear authorship.
  4. Look for direct, quotable answers. AI-generated responses often quote or paraphrase source material. Content formatted with clear questions and concise answers is far more likely to be cited.

What Does AEO Actually Optimize?

AEO covers six core areas. Each one addresses a specific aspect of how AI engines evaluate your site:

1. Content Structure

AI engines need well-organized content to understand your page. This means logical heading hierarchies (H1 through H4), clear topic segmentation, question-based headings, and concise paragraphs. Think of your content as a structured document that a machine needs to parse — because that is exactly what is happening.

2. Schema Markup

Schema markup (JSON-LD structured data) is the most direct way to tell AI engines what your page is about. It includes Organization schema, FAQ schema, Product schema, Article schema, and more. Sites with comprehensive schema markup consistently score higher in AI citations.

3. Authority Signals

AI engines evaluate whether your site is a trustworthy source. This includes consistent NAP (name, address, phone) information, external citations from authoritative sources, clear authorship attribution, and a track record of accurate content.

4. AI Discoverability

Can AI crawlers actually access and parse your content? This covers technical factors like robots.txt configuration, sitemap availability, page load speed, JavaScript rendering requirements, and whether your content is behind login walls or paywalls that block AI access.

5. Citation Potential

Is your content formatted in a way that AI can easily quote or reference? This includes having clear definitions, concise answer paragraphs, data-backed claims, unique insights, and content that directly answers common questions in your domain.

6. Technical Readiness

The technical foundation of your site matters. Fast load times, mobile responsiveness, clean URLs, proper meta tags, and HTTPS are table stakes. Beyond that, AEO looks at factors like content freshness indicators, structured internal linking, and whether your site provides clear navigation paths.

How is AEO Different from SEO?

AEO and SEO are complementary but distinct. Good SEO is a foundation for AEO — but SEO alone is not sufficient for AI visibility. Here are the key differences:

  • SEO targets ranked listings. AEO targets cited answers.
  • SEO focuses on keywords. AEO focuses on entities, topics, and structured answers.
  • SEO measures rankings and clicks. AEO measures citations, mentions, and recommendations.
  • SEO optimizes for Google's algorithm. AEO optimizes for multiple AI models simultaneously.

For a deeper comparison, see our guide on AEO vs SEO: What's the Difference and Why You Need Both.

How to Get Started with AEO

The best way to start is to measure where you stand today:

  1. Run a free AEO scan on your website. You will get a score from 0 to 100 with a breakdown across all six categories.
  2. Focus on quick wins first. Schema markup and heading structure improvements can dramatically boost your score with minimal effort.
  3. Follow our step-by-step improvement guide for detailed instructions on what to fix in each category.
  4. Monitor your progress. AEO is not a one-time fix. As AI models evolve, the optimization landscape shifts. Regular scanning helps you stay ahead.

Who Needs AEO?

Every business with an online presence should be thinking about AEO. But some benefit more than others:

  • Local businesses — When someone asks AI "best coffee shop near me," you want to be the answer.
  • E-commerce stores — Product recommendations from AI are becoming a major discovery channel.
  • SaaS companies — "What's the best tool for X?" is one of the most common AI queries.
  • Content creators and publishers — If your content is not structured for AI citation, it gets summarized without credit.
  • Professional services — Lawyers, accountants, consultants — AI is already recommending providers in these categories.

The Bottom Line

AI Engine Optimization is not a trend — it is the next fundamental shift in how businesses get discovered online. The transition from search-engine-first to AI-first discovery is already happening, and the businesses that adapt first will capture disproportionate value.

The good news? Most of your competitors have not started. The tools exist. The playbook is clear. And you can check your AI visibility for free right now.

Frequently Asked Questions About AEO

Is AEO the same as SEO?

No. SEO optimizes for traditional search engine rankings (Google, Bing). AEO optimizes for AI-generated answers and recommendations from tools like ChatGPT, Perplexity, and Google AI Overviews. They share some foundations but AEO requires additional structured data, entity clarity, and content formatting.

Do I need AEO if I already do SEO?

Yes. Good SEO is a foundation, but it is not enough for AI visibility. AI engines evaluate content differently — they prioritize structured answers, schema markup, entity disambiguation, and citation-ready formatting. Many sites with strong SEO scores perform poorly on AEO audits.

How do I measure my AEO performance?

The easiest way is to use an AEO audit tool like Vida AEO, which scans your site across 34 ranking factors and gives you a score from 0 to 100. You can also manually test by asking AI tools questions your business should answer and seeing if you get cited.

How long does it take to improve an AEO score?

Some changes (adding schema markup, fixing heading structure) can improve your score within hours. Broader changes like building topical authority or earning external citations take weeks to months. The key is starting with the highest-impact, lowest-effort fixes first.

Does AEO work for small businesses?

Absolutely. In fact, small businesses have the most to gain. Most competitors have not optimized for AI visibility yet, creating a significant first-mover advantage. AEO is especially powerful for local businesses and niche experts.

Which AI engines does AEO target?

AEO covers all major AI-powered search tools: ChatGPT, Google AI Overviews (SGE), Perplexity, Claude, Gemini, Microsoft Copilot, and other emerging AI assistants. The optimization principles apply broadly across all of them.

Ready to check your AI visibility?

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