GEO vs SEO vs AEO
What actually changes?

A clear comparison of search engine optimisation, answer engine optimisation and generative engine optimisation—and where the work overlaps.

In this article +
  1. Start with the shared foundation.
  2. SEO helps a page become discoverable.
  3. AEO helps an answer become extractable.
  4. GEO helps a source become understandable and citable.
  5. Use one search plan with three result types.
Key takeaways —

The useful version.

  • SEO improves discovery and ranking across traditional search experiences.
  • AEO makes useful answers easier for answer surfaces to extract and present.
  • GEO focuses on brand understanding and citation inside generative responses.
  • All three depend on clear structure, useful content, evidence and authority.
  • The right strategy treats them as connected layers rather than competing trends.

Start with the shared foundation.

SEO, AEO and GEO use different labels because the result formats differ. The underlying work still begins with a technically accessible site, clear information architecture, useful content and credible evidence.

SEO helps a page become discoverable.

Search engine optimisation improves how well a page can be crawled, understood and ranked for relevant searches. It includes technical quality, page relevance, internal structure, authority and user experience.

  • Technical crawling and indexing
  • Keyword and intent alignment
  • Useful service and editorial pages
  • Internal links and information architecture
  • Authority, reputation and performance measurement

AEO helps an answer become extractable.

Answer engine optimisation focuses on making a useful response easy to identify and present. Clear questions, concise answers, descriptive headings and structured relationships can help.

GEO helps a source become understandable and citable.

Generative engine optimisation addresses systems that assemble answers from multiple sources. Entity clarity, consistent facts, evidence and passages that state useful information plainly can improve the chance of being understood.

01

Weak approach

Rewrite every page to mention AI and expect citations.

02

Stronger approach

Clarify entities, answer real questions, support claims and monitor relevant visibility.

Use one search plan with three result types.

01Audit

Technical, content, entity and authority signals

02Map

Questions and decisions customers make

03Build

Pages and answers around useful intent

04Support

Evidence, schema and consistent external signals

05Measure

Rankings, answers, citations, visits and enquiries

Sources and verification

This guide provides a strategic framework. Search demand, rankings and local competition should be validated with current first-party analytics, Search Console and keyword research before decisions are made.

Written by

IgniteMedia Labs

Growth strategy, search infrastructure and digital experience for ambitious businesses.

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