*By Timothy Jacqmin — Co-Founder, Nexuro Digital · July 2026*
TL;DR
- AI Overviews (formerly SGE) are the AI-generated answers Google shows at the top of results, above the blue links. They run on Gemini and cite a handful of sources.
- In 2026 they are no longer an experiment: they cover 200+ countries and 40+ languages, appear on roughly 48% of tracked searches, and sit alongside AI Mode, a conversational mode that has passed 1 billion monthly users.
- The real impact: organic click-through rate drops sharply when an AI Overview appears. But pages cited inside the overview recover a large share of the clicks. The new question is no longer "am I ranking first?" but "am I the source being cited?"
- How to appear: there is no magic tag. You need extractable content (direct answers, clean structure), strong E-E-A-T signals, and clean structured data. That is exactly what GEO is about.
Your customers no longer scroll down to the blue links. They read the answer Google generates at the top of the page, then they leave. For a small business, that is a brutal shift: you could be ranking well and still watch your traffic melt away.
The good news: the rules of this new game are known, and you do not start from scratch. Solid SEO content remains the best foundation. You simply add a layer built for the machine that reads and summarizes on your behalf.
Here is what AI Overviews really are, how Google builds them, what they do to your traffic, and above all how to structure your site to be the source the AI cites.
What are Google AI Overviews (and AI Mode)?
Let's start with the vocabulary, because it has changed three times in two years. AI Overviews are the AI-generated summaries Google displays at the very top of its search results, above the classic list of links. They replace the old "SGE" label (Search Generative Experience), which was the name of the experimental phase.
In practice, you type a question, and instead of ten links, Google writes you a few-paragraph answer with two or three sources cited on the side. The user gets an answer without clicking, or clicks only on the sources that interest them.
Alongside AI Overviews, Google rolled out AI Mode, a fully conversational search tab. AI Mode turns search into a dialogue: you ask a complex question, the AI answers, and you can follow up, just like in ChatGPT. According to Google, AI Mode passed 1 billion monthly users in 2026, with queries more than doubling every quarter since launch.
The difference is easy to remember. AI Overviews are pushed to you inside normal search; AI Mode is a space users choose to open when they want to dig in. In both cases the principle is identical: an AI-written answer, with cited sources, replacing or sitting above the links.
| Format | Where it appears | Behavior | What's at stake for you |
|---|---|---|---|
| Classic results | List of blue links | User picks and clicks | Ranking well (SEO) |
| AI Overviews | Top of normal search | Summarized answer + 2-3 sources | Being cited in the overview |
| AI Mode | Dedicated conversational mode | Multi-turn dialogue, long answers | Being used in the conversation |
Key takeaway: AI Overviews and AI Mode are not two extra modes. They are the same shift: Google is moving from a "link engine" to an "answer engine." Your objective changes accordingly.
How does Google generate these AI answers?
Understanding the engine is understanding how to get into it. AI Overviews and AI Mode run on a Gemini model tailored for Search; in 2026, Google made Gemini 3.5 Flash the default model for AI Mode worldwide. This is not AI "disconnected" from the web: it is wired into Google's index.
The key mechanism has a name: query fan-out. Faced with a complex question, Google breaks it into several sub-questions, runs parallel searches for each, then synthesizes the results into a single answer. A query like "best CRM for a services SMB in Belgium" becomes a dozen searches (pricing, features, integrations, local reviews) merged into one summary.
Then comes retrieval-augmented generation (RAG). The AI does not "know" the answer: it retrieves passages from real web pages, then writes a summary grounded in those passages, with citation links. That is why your content can be reused almost verbatim: Google pulls extracts (chunks) from the pages it deems reliable and relevant.
The consequence is decisive. To be cited, your page must contain short, self-contained passages that work directly as an answer. A paragraph that clearly answers a specific question is far more likely to be extracted than a long block where the information is diluted.
Common mistake: believing there is an "AI Overviews tag" to switch on. There isn't. Google confirms no special markup is required: the quality and structure of your content make the difference.
Where does the 2026 rollout stand (Europe, languages)?
Long limited to the United States, AI answers are now nearly everywhere. Since May 2025, AI Overviews have been available in more than 200 countries and territories and over 40 languages, reaching roughly 2 billion monthly users worldwide. Belgium, France and the rest of Europe are included, in English as in national languages.
AI Mode followed the same path, later but faster. In 2026, Google expanded AI Mode to more than 35 new languages and 40+ new countries, bringing availability to over 200 countries and territories in total, with a wave that explicitly covers Europe. In other words: a European business owner testing "AI Mode" today gets the full conversational experience, in their language.
On frequency, the numbers speak for themselves. AI Overviews trigger on roughly 48% of tracked queries in 2026, up nearly 58% year over year, according to industry SERP-tracking data. The rate climbs even higher on informational questions ("how," "what is," "why"), where the AI has the most material to summarize.
One point should temper the worry. AI Overview presence varies sharply by query type and market: it is massive on informational and comparison queries, rarer on transactional or brand queries. Your "pricing," "contact" or "quote" pages are therefore less exposed than your in-depth articles.
How do AI Overviews affect your traffic and CTR?
This is the real question for a business owner, and it deserves numbers, not slogans. When an AI Overview appears, organic click-through rate collapses, because the user gets their answer without scrolling into the page. An Ahrefs analysis in late 2025 measured a CTR drop of about 58% for top-ranking pages when an AI Overview is present.
The breakdown by query type is telling. "X vs Y" comparison queries trigger an AI Overview more than 95% of the time: they are the most exposed to click loss. If your traffic lives on "product A vs product B" content, you are on the front line. Conversely, a brand query protects your clicks far better.
But 2026 brought an important nuance, documented by a Seer Interactive study (53 brands, 5.47 million queries, 2.43 billion impressions, from January 2025 to February 2026). After bottoming out at 1.3% in December 2025, click-through rate on AI Overview queries recovered to about 2.4% by February 2026, an 85% rebound in two months. Traffic does not vanish: it redistributes.
And it redistributes toward the cited sources. Also per Seer, a page cited inside the AI Overview gets a CTR of about 2.1%, versus about 0.9% for a non-cited page on the same query. Being in the box is worth roughly double the clicks compared to staying below it. For reference, a query with no AI Overview at all sits around 3.3%.
| Page situation | Observed organic CTR (Feb 2026) | Reading |
|---|---|---|
| Query without an AI Overview | ~3.3% | The "before" world, most favorable |
| Page cited in the AI Overview | ~2.1% | You recover a large share of clicks |
| Page not cited (overview present) | ~0.9% | You suffer the overview without benefiting |
Key takeaway: the enemy is not the AI Overview itself. The enemy is being present in an AI Overview SERP without being cited. The whole strategy is moving from the bottom row to the middle row.
How do you appear in Google AI Overviews?
Let's get practical. Google is clear on one point that simplifies everything: there is no specific markup or schema for AI Overviews; good SEO practice remains the lever. Its official May 2025 guidance boils down to one idea: create unique, useful, satisfying content for humans, technically accessible to Google. Here is how we apply it at Nexuro.
1. Make every answer extractable. Put the direct answer at the top of the section, in one or two self-contained sentences, before you elaborate. That is the passage Google's RAG will retrieve. Phrase your subheadings as real questions ("How much does... cost?", "How do you...?"): they match users' actual prompts.
2. Structure for the machine. The formats AI Overviews cite most are numbered step-by-step guides, definitions, structured comparisons, lists, and data-backed expert opinions. Tables, lists, hierarchical headings (H2/H3): you do the work for the AI, which loves structured data.
3. Strengthen your E-E-A-T. Experience, Expertise, Authoritativeness, Trust: models rely heavily on these signals to decide who to cite, and favor "non-commoditized" content (real cases, original statistics, expert opinion). Sign your articles with a real, dated author, show your field experience, cite your sources. Generic content rewritten from ten others offers nothing citable.
4. Get your structured data right. No tag "forces" a citation, but structured data (Schema.org) helps Google understand the exact nature of your content (Article, FAQPage, HowTo, Organization) and reinforces all your signals. It is the invisible technical plumbing that makes your page machine-readable. We detail this foundation in our guide to being visible in ChatGPT, Claude and Perplexity.
5. Get cited elsewhere. The AI cross-checks sources. The more your brand is mentioned by credible third-party sites, the more you become a "trusted" source the overview can reuse. Local press, serious directories, reference content, customer reviews: off-page authority matters as much for GEO as for classic SEO.
Recommendation: do not rewrite your whole site. First identify the pages targeting informational queries with heavy AI Overview presence, and make those extractable as a priority. That is where the effort-to-impact ratio is best.
AI Overviews and GEO: what's the link?
You may have heard of "GEO": it is the same fight, seen from higher up. GEO (Generative Engine Optimization) is the discipline of optimizing your content to be cited by generative engines: ChatGPT, Claude, Perplexity and, precisely, Google's AI Overviews. Optimizing for Google's AI Overviews is doing GEO on the most-used search engine in the world.
The link with SEO is a relief, not a threat. Solid SEO content (clear, structured, marked up, sourced) is also an excellent starting point for GEO: you add a layer, you do not start over. The technical base (indexing, speed, tags) stays foundational; GEO adds extractability and citability on top.
Our conviction at Nexuro fits in one sentence. What matters now is no longer just ranking well, but being the source the AI reuses. It is a new, measurable asset, still lightly contested in Europe. Companies that structure their content now will build a lead that is hard to catch.
If you are starting from zero on this, begin with the basics in our GEO guide for SMBs, then make sure your classic SEO holds up with our guide to SEO in Belgium. Both feed directly into your presence in AI answers. And for the big picture, our article on AI in marketing puts all of this back into your strategy.
FAQ
What are Google AI Overviews?
Google AI Overviews are AI-generated summaries Google displays at the very top of its search results, above the classic links. They run on the Gemini model, answer the question directly, and cite two or three sources. They are the evolution of what Google previously called "SGE" (Search Generative Experience).
What is the difference between AI Overviews and AI Mode?
AI Overviews appear automatically at the top of normal Google search, as a summary with a few sources. AI Mode is a separate, conversational search mode that users open to dialogue with the AI and ask follow-up questions, like in ChatGPT. Both run on Gemini and cite sources, but one is pushed to you and the other is chosen.
Are AI Overviews available in Europe in 2026?
Yes. Since May 2025, AI Overviews have rolled out across more than 200 countries and territories and over 40 languages, Europe included. In 2026, Google also expanded AI Mode to more than 40 new countries and 35+ languages, with explicit coverage of Europe. A European user therefore gets both AI Overviews and the conversational mode, in their language.
Do AI Overviews reduce my traffic?
Often yes, if you are not cited. When an AI Overview appears, organic click-through rate drops (about 58% measured for top-ranking pages). But a page cited inside the overview recovers a large share of clicks: about 2.1% CTR versus 0.9% for a non-cited page, per Seer Interactive. So the goal is to be in the box, not just below it.
How do you appear in Google AI Overviews?
There is no magic tag: Google confirms no special markup is required. The method: put a direct answer at the top of each section, structure with question-style headings, lists and tables, strengthen your E-E-A-T (real author, expertise, sources), add clean structured data, and get cited by credible third-party sites. In short: good SEO made extractable.
Are AI Overviews and GEO the same thing?
Almost. GEO (Generative Engine Optimization) is the discipline of optimizing your content to be cited by all generative engines: ChatGPT, Claude, Perplexity and Google's AI Overviews. Optimizing for Google's AI Overviews is therefore a component of GEO, applied to the most-used search engine. Good SEO remains its foundation.
Not sure whether your site appears (or not) in Google's AI answers for your key queries? We can look at it together, simply, in a free audit of your digital ecosystem. No bots, no salespeople: Timothy or Bryan gets back to you personally within 24 hours.
*— Timothy Jacqmin, Co-Founder, Nexuro Digital*
Sources
- Google Search Central — Top ways to ensure your content performs well in Google's AI experiences on Search (May 2025)
- Google — AI Mode in Search expands to more than 40 new areas
- Google — Search's I/O 2026 updates: AI agents and more
- Search Engine Land — Google AI Overviews CTR shows early signs of recovery: Study (Seer Interactive)
- Seer Interactive — AIO Impact on Google CTR: 2026 Update
