GEO Basics

SEO vs GEO: Why Ranking on Google Is No Longer Enough

2026-03-20·6 min read

SEO vs GEO: Two Disciplines, One Goal

For nearly two decades, SEO (Search Engine Optimization) has been the basis of digital visibility. Appearing on Google's first page was the main way to be found online. Now many people also ask AI assistants directly, alongside or instead of searching.

ChatGPT, Claude, Gemini, Perplexity: these assistants are now another way to discover brands, compare products and make purchasing decisions. This is where GEO (Generative Engine Optimization) comes in: the discipline that aims to make your brand appear in AI answers, as we explain in our complete guide to GEO.

Key Differences Between Traditional SEO and GEO

Dimension	Traditional SEO	GEO (Generative Engine Optimization)
Goal	Appear in Google's organic results	Be mentioned or cited in the AI's answer
Main metric	Average SERP position, clicks	Mention rate, share of voice, citation rate
Result format	List of links	Synthesized answer
Traffic	Clicks from results pages	Clicks from cited sources, when any; many answers produce none
Useful content	Pages that match search intent	Clear answers, specific data, credible sources
Key signals	Links, on-page relevance, technical health	Public information about the brand, independent sources, pages crawlable by AI search
Surfaces	Google, Bing	ChatGPT, Gemini, Perplexity, Claude, AI Overviews
Attribution	Clearer (referrer + analytics)	Partial (some visits arrive without a referrer)

Traditional SEO is still necessary, and it helps with answers that rely on search. GEO adds a question SEO doesn't answer: whether your brand appears in the synthesized answer, and how it's described.

The Key Differences Between SEO and GEO

1. What You Optimize

In SEO, you optimize web pages to appear as links in Google results. You work with keywords, meta tags, page speed, authority and links.

In GEO, you work on the public information about your brand so that AI answers mention it accurately when relevant. The goal isn't a blue link but being named when someone asks "what's the best option for X?"

2. How You Compete

In SEO, pages compete for queries: relevance, authority and technical quality affect ranking.

In GEO, you compete to be described as a credible option in answers. That depends on the quality and consistency of information about your brand on the web: mentions in credible media, reviews and a coherent description of what you do.

3. The Format of Results

Google gives you a list of links and the user chooses which to visit. AI answers give a direct response that mentions your brand or doesn't; some include links to sources. If you're not in that answer, that user may never consider you.

What to Check in Your Own Market

This guide does not establish a general overlap figure. Check it for your own queries:

Take 10-20 questions your customers actually ask, run them in Google and in the AI products you care about, and compare the sources cited with the pages ranking on the first page. Ranking first on Google doesn't guarantee a mention in ChatGPT.

Ask your own buyers, in sales calls or a short post-purchase question, whether they used an AI assistant while choosing and what it told them. Record the answers with the date instead of relying on unattributed survey figures.

Check what the answers say about your brand: an inaccurate description is read as a summary rather than as advertising, so errors carry further.

Can You Be Good at SEO and Bad at GEO?

Yes. A company can rank at the top of Google thanks to solid content and links, and still be absent from ChatGPT or Claude answers. AI models learn from a large body of text during training, and when they search the web, they may use their own index or a search provider and select different sources than Google's top results. Mentions, reviews, presence in credible media and consistent information all affect what answers say.

The opposite also happens: brands with modest SEO but strong media coverage, good reviews and a consistent description can appear in AI recommendations even without an optimized website.

SEO and GEO Together

The conclusion isn't to abandon SEO. Google remains a core channel. But ignoring AI answers means missing a channel where some of your customers now ask for recommendations.

A sensible strategy combines both:

SEO to earn organic traffic from traditional search engines.
GEO to check that when AI answers questions about your industry, your brand appears, in a good position and described accurately.

The First Step: Measure Your AI Visibility

Before designing a GEO strategy, answer four questions:

Does your brand appear in ChatGPT, Claude and Gemini answers?
What position do you hold compared with your competitors?
What does AI say about you? Is it positive, neutral or negative?
For which types of questions does it mention you, and for which doesn't it?

With Mentio you can get this picture in a few minutes: analyze your brand in the AI models included in your plan, compare your visibility with competitors and, on Pro and Enterprise, get recommendations. Analyze your AI visibility.

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