Answer Engine Optimization (AEO)

Also known as: AI Answer Optimization, Zero-Click Optimization

A strategy focused on getting your content featured in AI-generated answers across search and assistant platforms, ensuring presence and citation even without user clicks.

A strategy focused on getting your content featured in AI-generated answers across search and assistant platforms, ensuring presence and citation even without user clicks.

What is Answer Engine Optimization (AEO)?

Answer Engine Optimization (AEO) is a strategy focused on getting your content featured in AI-generated answers across search and assistant platforms. Whereas SEO targets high rankings for clicks, AEO's goal is presence and citation – making sure AI models pick up, correctly interpret, and attribute your content even if users don't click through. This involves formatting content to directly answer common questions, using schema and structured data to help AI identify facts, and building authority so that AI trusts your site's information.

Why It Matters

With over 40% of Google queries now triggering AI answers, and many users getting information from ChatGPT or voice assistants, AEO ensures your brand isn't lost in an era of declining clicks. Recent data shows that Google's AI Overviews answer 50%+ of queries without requiring clicks, making traditional click-based metrics insufficient for measuring success. AEO helps maintain brand visibility and influence even when users stay within the AI interface.

Use Cases

Voice Assistant Responses

Optimizing content to be the source for answers provided by Alexa, Google Assistant, or Siri.

Featured Snippets

Getting your content selected for position zero featured snippets in search results.

AI Overviews in Search

Having your content cited in Google's SGE or similar AI-generated summaries at the top of search results.

Chatbot Knowledge Base

Ensuring your content is used when chatbots like ChatGPT or Bing Chat answer questions in your domain.

Optimization Techniques

  • Question-Answer Format: Structure content with clear questions as headings followed by concise answers
  • FAQ Schema Markup: Implement FAQ schema to explicitly identify questions and answers for AI
  • Featured Snippet Optimization: Format content in ways that make it easy for AI to extract as a featured snippet
  • Authoritative Content: Build domain authority and expertise signals so AI systems trust your content
  • Clear Definitions: Provide explicit definitions for key terms in your industry
  • Concise Summaries: Include brief summaries at the beginning of content that directly answer the main question

Metrics

  • Featured Snippet Acquisition: How often your content appears in position zero
  • AI Answer Citations: Frequency of your content being cited in AI-generated answers
  • Voice Search Appearances: How often voice assistants use your content for answers
  • Zero-Click Impression Share: Percentage of impressions that don't result in clicks but still expose users to your content
  • Brand Mention Rate: How often your brand name appears in AI answers even without links

LLM Interpretation

Large Language Models interpret questions and seek the most relevant, concise, and authoritative answers. For AEO, understanding how LLMs process and select content is crucial:
  • LLMs often prioritize content that directly answers the question without preamble
  • They look for signals of authority and trustworthiness when selecting sources
  • They prefer content that provides clear, factual information rather than opinion or promotion
  • They can understand the semantic relationship between a question and potential answers
  • They may combine information from multiple sources to create comprehensive answers
Effective AEO requires creating content that aligns with how these models evaluate and select information to include in their answers.

Examples

Example 1

Example 1: Question-Answer Format

Heading (H2): "How does Answer Engine Optimization differ from traditional SEO?"

Answer: "Answer Engine Optimization (AEO) focuses on getting your content cited in AI-generated answers, while traditional SEO aims to rank pages for clicks. AEO prioritizes direct answers, structured data, and authority building to ensure AI systems select your content as a source, even when users don't click through to your website."

This format makes it easy for AI to identify this as a direct answer to the question.

Example 2

Example 2: Featured Snippet Optimization

Question: "What are the steps to optimize for answer engines?"

Optimized Answer:

  1. Research common questions in your niche
  2. Create content that directly answers these questions
  3. Structure content with clear headings and concise answers
  4. Implement schema markup (especially FAQ schema)
  5. Build authority through quality backlinks and expert content
  6. Monitor and refine based on which content gets featured

This numbered list format is ideal for "how-to" or "steps" questions and is likely to be selected for featured snippets.

Structured Data

{
  "@context": "https://schema.org",
  "@type": "DefinedTerm",
  "name": "Answer Engine Optimization (AEO)",
  "alternateName": [
    "AI Answer Optimization",
    "Zero-Click Optimization"
  ],
  "description": "A strategy focused on getting your content featured in AI-generated answers across search and assistant platforms, ensuring presence and citation even without user clicks.",
  "inDefinedTermSet": {
    "@type": "DefinedTermSet",
    "name": "AI Optimization Glossary",
    "url": "https://geordy.ai/glossary"
  },
  "url": "https://geordy.ai/glossary/aeo-strategies/answer-engine-optimization"
}

Term Details

Category
AEO Strategies
Type
technique
Expertise Level
intermediate
GEO Readiness
structured