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WebAdvertisingAI Updated 4 min read

SEO, SEA or GEO: where should you focus your online visibility?

  • JuliëtGEO Specialist

  • AmberHead of Advertising

SEO, SEA or GEO: where should you focus your online visibility?
More and more people no longer ask their questions only to Google, but also to ChatGPT, Perplexity and Gemini. Does that mean SEO matters less, or that advertising no longer makes sense? Not necessarily. At Omelette du Fromage we work on SEO, SEA and GEO as one team, because all three largely build on the same foundation: a technically sound site, clear content and authority


The short answer
SEO gets you to rank high in Google’s organic results. With SEA, search ads like Google Ads, you buy a spot straight above them. GEO gets an AI model to mention your brand in the answer it gives. They’re three different places to be visible, not replacements for each other. That’s why Omelette du Fromage doesn’t treat them as separate tracks. The question that matters isn’t which channel you pick, but where the biggest gains are right now and how you split budget and attention accordingly.

What is the difference between SEO, SEA and GEO?
SEO focuses on the organic search results page. You build a position for a search term without paying per click. It takes time, but the position stays put as long as the foundation is solid.
SEA happens on the same page, but bought. Through Google Ads you pay per click for a spot at the top of the results. The effect is visible straight away: a campaign starts, traffic comes in. Stop the campaign and that traffic disappears just as fast.
GEO works differently. An AI model usually doesn’t give a list of results, but one summarising answer. If a brand isn’t mentioned in it, it doesn’t exist for that user at that moment.
In short: with SEO you build a position, with SEA you buy one, and with GEO you win a spot in the answer itself.

Do SEO, SEA and GEO work against each other?
No. Investing in one channel is no reason to neglect another. A site that’s technically sound, loads fast and is clearly structured performs better in Google, converts better as a landing page for ads, and is easier for an AI model to interpret correctly. It’s the same underlying quality, not three separate efforts that happen to overlap.
Where it does go wrong is when every channel is set up as a completely separate track, disconnected from what’s already happening on the other two. That leads to duplicate work on the same technical and content foundation.

Where SEO, SEA and GEO strengthen each other
A technically well-built site pays off on all three fronts. Clear structure, fast load times and logical headings are nice for a crawler, raise the conversion of an ad campaign, and are easier for a language model to interpret.
Data from one channel is useful for another. The search terms you advertise on reveal the intent behind them, and that knowledge feeds straight into building SEO content. Authority works the same way: a link from a respected source in your industry strengthens your position in Google, and AI models use that same source to decide which brands are trustworthy.
Content that’s already written around search intent often works, with a few tweaks, as a source for an AI answer or as a landing page for an ad. Putting the answer at the top of the page instead of a few paragraphs in is one of the most effective tweaks you can make.

Without good tracking it’s still guesswork
More mentions, a higher position or more clicks are measurable, but on their own they don’t tell you whether it actually pays off. Without reliable tracking you can’t tell which effort really leads to revenue or leads.
That’s why Omelette du Fromage always includes tracking, for SEO as well as SEA and GEO. Without that data, an investment stays an assumption instead of a well-founded choice.

How we tackle it
The teams behind SEO, Advertising and GEO don’t work in isolation. For SEO that means a technical audit, content built on search intent and link building. For SEA we set KPI ranges up front: CPC, CPA, ROAS and conversion rate that are realistic for the brand, so we adjust before budget is spent the wrong way, not after. For GEO we write prompts that match the client’s market, keep track of how the brand shows up in the big AI models, and translate that into concrete actions on content, structure and authority.
Omelette du Fromage is a team of more than 10 specialists working for dozens of clients, from smaller Amsterdam brands to national names.

Which channel suits you?
Rank better in Google, for the long haul: see SEO.
Direct traffic through paid ads: see Advertising.
For advice on which channel fits your specific situation best: get in touch.

Key takeaways

  • SEO, SEA and GEO are three places to be visible, not replacements for each other
  • With SEO you build a position, with SEA you buy one, with GEO you win a spot in the answer
  • A technically sound site strengthens all three channels at once
  • Without reliable tracking you cannot tell what actually pays off
  • Omelette du Fromage never lets SEO, SEA and GEO work in isolation