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SEO and GEO / 7 min read

SEO vs GEO,what’s the difference and where to start

Compare SEO and GEO: goals, content, authority and measurement. Learn the difference between SEO and GEO and the right priority for your business.

Computer screen showing Google search, a starting point to understand the difference between SEO and GEO
In this article

Key takeaways

  • SEO aims to rank a page in search results. GEO aims to get a brand cited in AI answers.
  • Both rest on the same foundations: a technically sound website, useful content and an established reputation.
  • The gap lies in content format, sources of authority and how results are measured.
  • For most businesses, SEO remains the starting point, and GEO runs in parallel as soon as the foundation is solid.

Search engine optimization (SEO) and generative engine optimization (GEO) share a common goal. Both help businesses reach the people searching for their products or services. Their approaches complement each other and open up new ways to grow online visibility.

SEO helps position a website in search engine results, while GEO aims to increase a brand’s presence in the answers generated by tools like ChatGPT, Gemini or Perplexity. Understanding the difference between SEO and GEO lets you build a visibility strategy suited to new search habits.

For a business, the key is to understand how to make the most of both approaches and to set priorities based on its goals.

The difference between SEO and GEO in two sentences

SEO, or search engine optimization, aims to get your pages as high as possible in the results of Google and other search engines. GEO, short for generative engine optimization, aims to get your brand mentioned in the answers written by AI tools like ChatGPT, Gemini, Perplexity or Google’s AI Overviews.

SEO puts you in the list, GEO puts you in the answer. In the first case, the user chooses which link to click. In the second, the AI has already done part of the sorting for them.

To dig deeper into the second side, the page dedicated to GEO optimization details the principles and methods of this new discipline.

What SEO and GEO have in common

AI tools that look up information in real time rely on pages that are already present and well ranked on the web. Google says so plainly in its documentation on AI features in Search.

“The best practices for SEO remain relevant for AI features in Google Search (such as AI Overviews and AI Mode).”

Google Search Central

Both approaches therefore share the same foundation:

  • a website that crawlers can explore and index without obstacles;
  • fast, mobile-friendly pages that are well linked to each other;
  • useful, accurate content written for people;
  • a reputation built through quality links and mentions.

These elements, which Google’s SEO Starter Guide covers in detail, benefit your rankings as much as your chances of being cited by AI. This was also one of the lessons from Ahrefs Evolve 2026, summarized in these five SEO and GEO takeaways.

Goals, content, authority and measurement, the real gaps

Where the two disciplines part ways is in how they win. The following table compares both approaches criterion by criterion.

CriterionSEOGEO
GoalRank a page in the resultsGet the brand mentioned or recommended in an answer
Where it happensGoogle, Bing and other search enginesChatGPT, Gemini, Perplexity, Claude, Copilot, AI Overviews
Basic unitThe page and its keywordThe brand, its reputation and its answers to questions
Format that performsComprehensive content that meets a search intentClear answers, definitions, sourced data, easy to cite
Sources of authorityBacklinks to the websiteLinks, but also media mentions, reviews, forums and platforms
IndicatorsRankings, organic traffic, conversionsMentions, accuracy, share of voice, traffic from AI

Content format

In SEO, a comprehensive page that covers a topic well has a good chance of ranking. In GEO, the information also needs to be easy to extract. An AI is more likely to reuse a clear definition, a structured list or a figure with its source than a long paragraph that circles around the topic.

Sources of authority

SEO places great importance on backlinks, the links from other websites pointing to yours. GEO broadens that view. AI tools cross-check sources, so a brand cited in the media, recommended in reviews or present in specialized discussions gains credibility, even without a direct link.

Measuring results

This is probably the most striking gap. In SEO, Search Console and tracking tools show your rankings precisely. In GEO, you instead measure the frequency and quality of mentions in answers, which calls for different tools and methods.

Silhouette of a road sign at sunset, illustrating the choice between an SEO strategy and a GEO strategy

Before splitting a budget between these two approaches, it helps to know where your business already stands in Google and in AI tools. A snapshot of your current visibility lets you decide based on data rather than intuition.

Where to start based on your business’s situation

There’s no one-size-fits-all answer. The right priority depends mostly on the current state of your website and on how your customers search.

Your website is new or barely visible in Google

Start with SEO. Without indexed, fast and relevant pages, AI has nothing solid to cite. The groundwork, such as site structure, service page content and a few quality links, will then directly support GEO.

Your website ranks well, but AI ignores you

This is the most common case for established businesses. The foundation is there, now it needs to become citable by working on clear answers, brand consistency across the web and mentions in recognized sources.

You’re a local business

Local SEO remains the priority, with a complete Google Business Profile, regular reviews and up-to-date information. That same data also feeds assistants’ answers when someone asks for a recommendation nearby.

You sell to other businesses

In B2B, many decision-makers already use AI to compare suppliers before contacting anyone. GEO then deserves a place from the start, alongside SEO, especially for comparison and selection questions. The page on SEO for B2B and SaaS details this approach.

Woman in a blue shirt working on her laptop to plan her business’s visibility

Three common mistakes when choosing

Pitting the two disciplines against each other

Abandoning SEO to bet everything on GEO is like removing a house’s foundation to redo the roof. The two reinforce each other, and efforts invested in one almost always benefit the other.

Looking for a technical shortcut

No magic file or trick guarantees a spot in an AI’s answers. Google even specifies that no particular markup is needed for its AI features.

Moving forward without measuring

Without a baseline, there’s no way to know whether efforts are paying off, in Google or in AI tools. A few indicators tracked monthly are enough to adjust course.

How to split your efforts between SEO and GEO this year

Understanding the difference between SEO and GEO is above all understanding that they complement each other. The first builds the foundation that makes you findable, the second extends that effort so your brand becomes part of the answers your customers now read. Businesses that think of both together get a head start.

To find out how much of your effort to devote to each, simply book a strategy call.

FAQ

What is the difference between SEO and GEO?

The difference between SEO and GEO lies above all in their goal. SEO aims to rank a website’s pages in the results of search engines like Google. GEO instead aims to get a brand mentioned or recommended in the answers generated by AI tools, such as ChatGPT. Both, however, rest on the same foundations: a solid website, useful content and a strong, well-established online reputation.

Should you do SEO before GEO?

In most cases, yes. AI tools that look up information in real time rely on pages that are indexed, fast and reliable, which is exactly what SEO work delivers. A website that’s still barely visible should therefore strengthen its foundations first. A business that already ranks well, however, can pursue both at once by making its content easier for AI tools to find and cite.

Is GEO useful for a small business?

Yes, GEO can be very useful for a small business, especially when its customers ask AI assistants for recommendations before buying. A small company that presents itself well on its website, its Google Business Profile and in reviews can appear in answers where larger competitors are absent. The key is to start with the fundamentals and measure the concrete results achieved on a regular basis.

Anne Costisella

Anne Costisella

SEO & GEO Writer at Sitegrow

Anne Costisella is an SEO & GEO writer at Sitegrow. A web writer for 15 years, she helps Quebec businesses gain visibility on Google and in AI answer engines with useful, engaging and well-structured content.

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