Does GEO replace SEO?

No. GEO adds to SEO, it doesn't replace it. A site still needs to be indexable and well structured for classic SEO, and the technical work done for SEO also serves as the foundation for GEO.

Does GEO work without solid SEO?

Rarely. Generative engines partly rely on the classic search index to find their sources. A poorly indexed site has little chance of being cited, no matter how good its content is.

How long does it take to get cited by an AI?

It depends on the scope of the fixes and how often the relevant crawlers recrawl the site. Technical fixes (markup, meta descriptions, llms.txt) can take effect as soon as the next crawler pass; gains in brand authority take longer.

GEO

What is GEO (Generative Engine Optimization)?

By Hamza KessouPublished on June 24, 2026

What is GEO?

GEO, or Generative Engine Optimization, covers the set of practices that increase the likelihood that a generative engine will cite or rephrase a site's content in its answer.

When a user asks ChatGPT, Perplexity, Gemini or Google AI Overviews a question, the tool composes an answer drawing on a small number of sources. GEO works on a site's structure, content and markup so it becomes one of those sources.

How is GEO different from SEO?

SEO aims for a ranking in a list of links, GEO aims for a place in an answer already written on the user's behalf.

A site can rank first on Google for a keyword and still be absent from the answer ChatGPT gives on the same topic. The two disciplines share common foundations (clean technical setup, quality content) but measure different outcomes: a position on a results page for SEO, a citation in a generated text for GEO.

Why does GEO matter now?

A growing share of searches end with a generated answer rather than a list of links, which reduces the visibility of sites that are never cited in those answers.

A user who gets a complete answer from an AI often no longer needs to click a link. For a brand, never appearing in those answers means disappearing from part of the buying journey, even with excellent classic Google rankings.

How do you get cited by an AI?

A brand improves its odds of being cited by working on six levers: content citability, entity authority, page quality, technical foundations, structured data and platform-by-platform optimization.

That's the breakdown Repliq uses to score a site out of 100. The detail of each dimension, with its weighting, is explained on the method page.

See the full method

Frequently asked questions

Does GEO replace SEO?: No. GEO adds to SEO, it doesn't replace it. A site still needs to be indexable and well structured for classic SEO, and the technical work done for SEO also serves as the foundation for GEO.
Does GEO work without solid SEO?: Rarely. Generative engines partly rely on the classic search index to find their sources. A poorly indexed site has little chance of being cited, no matter how good its content is.
How long does it take to get cited by an AI?: It depends on the scope of the fixes and how often the relevant crawlers recrawl the site. Technical fixes (markup, meta descriptions, llms.txt) can take effect as soon as the next crawler pass; gains in brand authority take longer.