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Glossary

Answer Engine Optimization (AEO)

Answer engine optimization is the practice of preparing content so search engines and AI systems use it to answer a question directly, rather than simply ranking it in a list.

In one sentence

AEO is the work of becoming the direct answer, whether inside a featured snippet, a Google AI Overview, a voice response, or a conversational AI engine, rather than a link in a list.

AEO and GEO, close cousins

AEO predates GEO. The term was coined when featured snippets and voice assistants were the main direct-answer surfaces. It has since expanded to cover Google AI Overview, Google AI Mode, and conversational engines like ChatGPT and Perplexity.

GEO is the newer, narrower discipline focused on generative AI answers. AEO is the umbrella. The same signals that won featured snippets in 2020, including clear question-form headings, crisp definitions, and FAQ markup, now help earn citations inside AI Overview in 2026. Some teams use the two terms interchangeably.

Core AEO tactics

  • Question-form H2 and H3 headings that mirror how buyers actually ask.
  • A direct definition sentence in the first 40 to 60 words of every article.
  • FAQPage schema on any page with a FAQ section.
  • Numbered and stepped lists for how-to content.
  • Product structured data, such as Product and Offer, on pages that describe one.
  • Freshness signals, a current dateModified and a visible updated date on page.

What changed in 2026

  1. Google AI Overview is now the dominant answer surface on informational queries. It rewards authoritative, category-specific content more than keyword-matched snippet bait.
  2. Multi-engine coverage. AEO work is judged by eight different systems, each with its own ranking quirks. Treat Google AI Overview, Google AI Mode, ChatGPT, and Perplexity as separate ranking surfaces.
  3. Conversational follow-ups count. Google AI Mode and Perplexity users drill down. You need strong answers on the second and third prompts, not just the first.

Frequently asked

Is AEO still relevant now that GEO exists?
Yes. AEO is the broader discipline. GEO is a specific sub-practice aimed at generative AI. Most serious AI-visibility work covers both.
Do I need separate teams for AEO and SEO?
No. They share the same skill set. Most teams extend existing SEO roles into AEO.
Does AEO help with voice search?
Yes. Voice assistants read from the same direct-answer surfaces AEO targets.

Related terms

Generative Engine Optimization GEO Google AI Overview Google AI Mode AI citation LLMs.txt

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