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SEO vs GEO: How to Get Visible on Google and in ChatGPT

Digital marketingBy Oz Ilhan, Founder of OzappPublished on 7 min read
Search bar whose results turn into an AI-generated answer

In short

SEO optimizes your website to rank in Google's search results; GEO (Generative Engine Optimization) optimizes it to be cited in answers from AI tools like ChatGPT, Perplexity, Gemini and Google AI Overviews. Both rely on the same foundations. GEO adds clear answers, well-defined entities and brand mentions across the web.

Key takeaways

  • GEO doesn't replace SEO; it extends it. A site Google can't see is usually invisible to AI too.
  • SEO aims for a click to your site; GEO aims for a mention or citation in a generated answer.
  • AI engines cite content that is clear, factual and easy to extract: definitions, lists, tables, FAQs.
  • Your reputation outside your own website (directories, media, reviews) carries real weight in AI answers.
  • No agency can guarantee a Google ranking or a mention in ChatGPT.

What's the difference between SEO and GEO?

SEO gets your page into a list of links; GEO gets your information, or your brand, into an answer written by AI. The target changes, but the foundations stay the same.

SEOGEO
GoalRank high in search resultsBe cited or recommended in an AI answer
WhereGoogle, BingChatGPT, Perplexity, Gemini, Google AI Overviews, Copilot
OutputA list of linksA written answer, sometimes with sources
Unit you optimizeThe pageThe passage: a definition, list or answer
Authority signalBacklinks, site qualityConsistent brand mentions, trusted sources
MeasurementRankings, clicks, traffic (Search Console, GA4)Mentions and citations in AI answers

In practice, the line is blurry. Google itself shows generated answers (AI Overviews) above the classic links. And AI assistants that search the web rely on pages that are already well indexed. That's why more and more teams treat "SEO & GEO" as a single strategy.

Does SEO still matter in the age of ChatGPT?

Yes. SEO remains the foundation of online visibility, including in AI search. An answer engine can only cite content it can find, read and understand.

The SEO fundamentals haven't changed:

  • Technical health: indexable pages, a fast site, a solid mobile experience, clean URLs, tags and structured data.
  • Content: pages that genuinely answer what your customers are searching for.
  • Authority: links and mentions from respected sites in your industry.
  • Local: a complete Google Business Profile and reviews for "near me" searches.

What has changed is the customer journey. Some searchers now get their answer without clicking. For a business, being cited in that answer is becoming as important as being ranked. Exact figures on this shift vary by study and industry.

How do you show up in ChatGPT answers?

To show up in ChatGPT, your site must be accessible to AI crawlers, offer clear answers that are easy to quote, and your brand must be mentioned consistently on other trusted websites. These levers work together.

1. Let AI crawlers in. Check that your robots.txt file or CDN isn't blocking AI search crawlers. Some sites block them without realizing it. An llms.txt file can also summarize your site for language models.

2. Write quotable passages. AI engines extract snippets of text, not whole pages. Open every section with a direct one- or two-sentence answer. Use definitions, lists, tables and FAQs. Skip vague introductions.

3. Build your reputation beyond your site. AI engines cross-check sources. A brand that appears with consistent details (name, activity, city, services) in business directories, media, review platforms and partner pages is easier to recommend.

4. Structure your data. Schema.org markup (Organization, Service, FAQPage, Article) helps engines understand who you are and what you offer.

This article follows the same logic: a summary up top, sections that each answer a question, and an FAQ at the end.

How do Google AI Overviews work?

AI Overviews are summaries generated by Google's AI and displayed above the regular results for some searches. They draw on web pages, which they link to as sources.

For a business, this is where SEO and GEO meet. A page that ranks well is more likely to be used as a source. But a well-ranked page with a messy structure can be skipped in favor of a clearer competitor.

When we analyzed Google results in Belgium in October 2026, AI Overviews appeared on searches such as "ai chatbot laten maken" (Dutch), "agent ia" (French) and "geo seo." On B2B topics, the AI answer is often the first thing your prospect sees.

The best approach combines a solid SEO foundation with a GEO layer, starting with whatever is holding you back today. Here's a six-step roadmap.

  1. SEO & GEO audit: indexing, speed, content, links, and how your brand currently appears in AI answers.
  2. Technical fixes: remove indexing and performance blockers, and give AI crawlers access.
  3. Clear service pages: one page per service, with a summary up top, use cases and an FAQ.
  4. Expert content: articles that answer your customers' real questions, in several languages if your market needs it.
  5. Mentions and local SEO: Google Business Profile, industry directories, customer reviews, partners.
  6. Tracking: organic traffic and rankings in Search Console, plus mentions in ChatGPT, Perplexity and AI Overviews.

Examples by business type

Business typeSEO priorityGEO priority
Local trade or shopGoogle profile, reviews, location pagesConsistent details across directories
E-commerceCategories, product pages, structured dataClear buying guides and comparisons
B2B companyService pages and expert contentDefinitions, FAQs, presence in trade media
Professional firmExpertise pages, local SEOClear answers to clients' frequent questions

Quality content takes volume and consistency. AI content generation helps you publish faster, as long as every piece is reviewed and enriched by a human. And everything starts with a technically sound website, which is where web development comes in. For the steps of a web project, see our guide on how to build a business website.

Take the next step

Your customers search on Google and ask AI tools: your business needs to be visible in both places. Explore our SEO & GEO services and request an initial review: free 30-minute consultation and a detailed quote within 24-48 hours.

Frequently asked questions

Will GEO replace SEO?

No. GEO builds on SEO rather than replacing it. AI engines rely on pages they can find, read and trust, which remains the core of search engine optimization. An effective strategy works on both at once: a solid website for Google, plus structured content and a consistent reputation so AI tools cite you.

What does GEO stand for?

GEO stands for Generative Engine Optimization. It covers every action that increases the chances that an AI tool such as ChatGPT, Perplexity, Gemini or Google AI Overviews cites your website or recommends your brand in its answers. You'll also hear the terms AI search optimization or AEO (Answer Engine Optimization).

How can I tell if ChatGPT mentions my business?

Ask ChatGPT, Perplexity and Gemini the questions your customers would ask, such as "which agency should I hire for … in Brussels?", and note whether your brand appears. Repeat this regularly, since answers change over time. Specialized tools and analyzing AI crawler visits in your server logs round out the picture.

How long does it take to see SEO and GEO results?

Technical fixes can show early effects within a few weeks, but meaningful results usually take several months. The timeline depends on competition, your site's history and how often you publish. On the GEO side, brand reputation also builds over time, one mention at a time.

Can an agency guarantee that I'll appear in ChatGPT?

No. Nobody controls the answers from ChatGPT, Google or Perplexity, and they keep evolving. A trustworthy agency commits to a method and to transparent metrics: organic traffic, keywords gaining ground, inbound leads and citations observed in AI answers. Be wary of any promise of guaranteed results.

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