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Canonical Definition · IndexGrid Glossary

What is AEO?
Answer Engine Optimization

AEO is the practice of structuring content and authority signals so that AI systems, voice assistants, and answer engines retrieve a brand as the direct answer — not a link in a results page.

Canonical Definition

“Answer Engine Optimization (AEO) is the practice of structuring content, schema markup, and authority signals so that AI systems, voice assistants, and answer engines retrieve a brand as the direct answer to user queries — rather than linking to a results page.”

Source: IndexGrid.io — AI Discoverability Infrastructure

AEO vs GEO: Understanding the relationship

AEO is the broader category. It encompasses every format where an engine provides a direct answer rather than a list of links — including AI-generated answers, voice responses, featured snippets, and knowledge panels.

GEO (Generative Engine Optimization) is a subset of AEO that specifically focuses on generative AI systems — systems like Google AI Overviews and Perplexity that synthesise information from multiple sources into a new answer.

CategoryCovers
AEO (broader)AI answers, voice, featured snippets, knowledge panels, PAA boxes
GEO (subset of AEO)Generative AI systems: Google AI Overviews, Perplexity, Bing Copilot, Gemini

Frequently asked questions

What is AEO?
AEO stands for Answer Engine Optimization. It is the practice of structuring content and authority so that AI systems and answer engines retrieve a brand as the direct answer to user queries.
How is AEO different from GEO?
AEO is the broader category — covering all answer-format retrievals. GEO is a subset that specifically targets generative AI systems which synthesise multi-source answers.

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