Zero-Click Search in 2026: 60% of Google Searches End Without a Click (and How SMEs Must Adapt)

In short: In 2026, between 58.5% and 68% of Google searches end without a single click to any website. AI Overviews appear on 48% of SERPs and cut organic CTR by 61%. Traditional search traffic is falling between 15% and 25%. The strategy is not to resist, but to shift from SEO to GEO — optimizing to be cited in AI answers, not just indexed.

Zero-click is widespread: Similarweb (Zero-Click Study 2025) finds that 58.5% of U.S. Google searches and 59.7% in the EU end without a click, with peaks above 65% on informational queries.

AI Overviews at 48%: BrightEdge measures AI Overviews on 48% of searches as of February 2026, +58% year over year, peaking at 83% in the Education sector.

Organic CTR -61%: Seer Interactive's study on 25 million impressions shows organic CTR falling from 1.62% to 0.61% when an AI Overview is present.

SparkToro State of Search 2025: overall organic traffic is dropping between 15% and 25%, but brands cited inside AI Overviews get +35% organic CTR and +91% paid CTR compared to non-cited brands.

The silent crisis: when Google stops sending traffic

There is a number that should keep every entrepreneur and marketing leader awake at night: 58.5% of U.S. Google searches and 59.7% of European ones end without the user clicking on any result (Similarweb, Zero-Click Study 2025, in partnership with SparkToro). The user searches, reads the answer straight from the SERP, and leaves. Zero clicks. Zero visits to your site.

This is not an anomaly. It is a structural trend that accelerates quarter after quarter. By mid-2025, zero-click searches on informational queries exceeded 65% of the total. With the aggressive expansion of AI Overviews — the Gemini-generated summaries that Google places at the top of the results page — the phenomenon has reached levels that would have looked dystopian just two years ago.

For SMEs, the question is not whether organic traffic will decline, but by how much and with what strategy to offset it. You need to measure, understand the mechanism and act before the competitive window closes.

Google search on a laptop showing SERP and zero-click results

The numbers behind the CTR collapse with AI Overviews

The most rigorous study available on this phenomenon is Seer Interactive's (September 2025), which analyzed 3,119 informational queries across 42 organizations, covering 25.1 million organic impressions and 1.1 million paid impressions over 15 consecutive months (June 2024 – September 2025). The results are devastating.

Metric	Without AI Overview	With AI Overview	Change
Organic CTR	1.62%	0.61%	-61%
Paid CTR (Google Ads)	19.7%	6.34%	-68%
Zero-click rate (queries with AIO)	~60%	~83%	+38%

In other words: when Google shows an AI Overview, only 6 out of 1,000 users click on an organic result. And this is not temporary — Seer tracked the trend for 15 months, confirming that CTR has stabilized at these low levels with no signs of recovery.

The data point that shows the way out is different: brands cited inside AI Overviews get 35% higher organic CTR and 91% higher paid CTR compared to non-cited brands (Semrush AI Overviews Study 2025). Being inside the AI summary is not just defense: it is a performance multiplier.

How widespread AI Overviews are in 2026

According to BrightEdge data (February 2025 – February 2026), AI Overviews have grown by 58% in twelve months and now appear on 48% of all Google searches globally. No longer a fringe experiment: they are the new SERP normal. Google itself, on Alphabet's Q4 2025 earnings call, confirmed that AI Overviews "drives increased engagement and usage frequency".

The growth is not uniform. Some sectors have been overwhelmed.

Sector	AIO Feb 2025	AIO Feb 2026	Growth
Education	18%	83%	+361%
B2B Tech	36%	82%	+128%
Restaurants	10%	78%	+680%
Healthcare	High	Very high	Among the most impacted
Entertainment	Low	High	+528%
E-commerce / Retail	Low	Moderate	Lower impact

Sectors with strong informational content — healthcare, education, B2B tech — are the hardest hit. Transactional sectors (e-commerce, retail) hold up better: only 10% of commercial keywords trigger an AI Overview, because Google knows that when a user wants to buy, they still need to click through to a specific store.

For SMEs, this means that anyone operating in services, consulting, training or B2B sits in the zero-click maximum impact zone.

Gartner, Bain and the decline of traditional search traffic

In February 2024, Gartner predicted that traditional search engine volume would drop by 25% by 2026, due to AI chatbots and virtual agents. Two years later, market data confirms the direction — although the exact magnitude is still debated.

The mechanism is no longer in question: generative AI solutions are becoming substitutive answer engines. Users do not ask fewer questions — they simply stop looking for answers by clicking the traditional "blue links". They use ChatGPT, Perplexity, Claude, Gemini, or read Google's AI Overview directly without going any further.

Bain & Company confirms the trend: 80% of consumers rely on zero-click results at least 40% of the time, and overall organic traffic is falling between 15% and 25%. Bain identifies two converging tectonic forces: AI summaries from traditional engines (Google AI Overviews, Bing Copilot) and the rise of LLMs as standalone search engines (Perplexity, ChatGPT Search, Claude).

The paradox: more searches, fewer clicks

An aspect often overlooked in the debate is that total search volume is not falling — it is growing. BrightEdge recorded a 49% increase in total search impressions in the last year. Users search more, but click less.

For the European market, the paradox has specific implications. Google holds around 95% of the search market in Italy (source: StatCounter 2026), a share higher than the global average. AI Overviews have been rolled out across Europe during 2025 and their presence on local-language queries is steadily growing.

SMEs that have historically invested less in SEO than their English-speaking counterparts risk a double disadvantage: lower baseline domain authority and fewer structured content pieces to be cited by AI. Those who do not adapt risk becoming invisible not in years, but in months.

Why panic is wrong (but inertia is lethal)

Before tearing down the editorial plan, it is worth pausing. The data also tells a different story.

Brands cited in AI Overviews gain 35% more organic clicks — being in the AI summary is an advantage, not a curse.
Sessions from AI referrals grew 527% year over year in the first five months of 2025 (Previsible AI Traffic Report 2025). It is a new traffic channel, not the end of traffic.
Only 16% of brands systematically track their performance in AI search — 84% of competitors are asleep. It is a huge competitive opportunity.
Transactional queries are the least affected: only 10% trigger an AI Overview. Those selling online still have room.

The message is clear: traditional SEO is not dead, but it is mutating. Those who adapt now — while most competitors are paralyzed between panic and denial — secure positions that will be extremely hard to recover later.

Welcome to GEO: Generative Engine Optimization

If traditional SEO aims to make you appear in the results page, GEO (Generative Engine Optimization) aims to get you cited in AI-generated answers. It is a new discipline, but with principles already codified by academic research (Aggarwal et al., Princeton & IIT, 2023) and by 2025-2026 market data.

The fundamental difference: SEO places you in a list. GEO puts you inside an answer. A citation in an AI answer carries huge psychological weight: the user perceives your brand as an authoritative source selected by artificial intelligence.

According to Search Engine Land, the most effective GEO strategies fall into three categories:

Expanding the semantic footprint: covering a topic exhaustively, not superficially.
Factual density: including data, statistics and citations every 150-200 words.
Structured data: schema markup, FAQs, tables, machine-readable formats.

Each AI platform has its own preferences: ChatGPT favors encyclopedic content, Perplexity rewards freshness and concrete examples, Google AI Overviews prefers content already well-ranked in the traditional SERP. They all share one golden rule: clarity beats creativity. AI extracts self-contained passages of 134-167 words. If a piece of content does not directly and fully answer a question within that space, it simply will not be cited.

How to optimize for AI search: the SME checklist

Here are the concrete actions every SME should adopt immediately, ordered by impact.

1. Restructure every piece of content with "citation blocks"

Start every section with a direct 40-60 word answer that can be extracted standalone by the AI. This is the "citation block" — the passage the AI can pull and insert into its summary. Content with a semantic completeness score above 8.5/10 is 4.2 times more likely to be cited (Ahrefs Research 2025).

2. Increase factual density

Add a verifiable data point, statistic or citation every 150-200 words. Content with original statistics sees 30-40% higher visibility in AI answers. Never make up numbers: citing authoritative sources strengthens both E-E-A-T and the probability that the AI will consider the content trustworthy.

3. Implement advanced schema markup

FAQPage, HowTo, Product, Author, Organization: every applicable schema increases how understandable the content is to AI systems. Content with structured formatting (headings, bullet points, tables) is 28-40% more likely to be cited. Google confirms it in the Search Central documentation.

4. Build real authorship

Pages with identifiable expert authors are 3.2 times more likely to be cited in AI Overviews than generic "editorial" content. Create author bios with verifiable credentials, link them to "About us" pages and to professional profiles (LinkedIn, ORCID, Google Scholar when applicable).

5. Optimize for conversational questions

AI Overviews are designed to answer natural-language questions. Structure content around real customer questions. Use Google Search Console ("Queries" report) and tools like AlsoAsked and AnswerThePublic to identify the exact questions.

6. Diversify content formats

Video, infographics, interactive content: Bain & Company explicitly recommends diversifying formats to increase visibility in generative AI search. A well-optimized YouTube video can be cited as much as a written article — and YouTube is owned by Google, often prioritized in multimedia AI Overviews.

7. Make the brand "entity-consistent"

The brand description on LinkedIn, Crunchbase, Google Business Profile, Wikipedia, Wikidata, industry directories and your website must be consistent. When signals are aligned across sources, AI systems categorize and cite the brand with higher confidence.

8. Measure Share of Model

The key GEO metric is Share of Model: how often the brand appears in AI answers compared to competitors for relevant queries. Tools like Profound, Otterly.ai, BrightEdge and Semrush AI Toolkit allow you to track it. Without measurement, strategy is blind.

9. Do not abandon traditional SEO

Paradoxically, GEO reinforces classic SEO, it does not replace it. Google AI Overviews favor content already well-positioned in the SERP. Backlinks remain the #1 factor to earn the positions the AI draws citations from. Investing in digital PR and quality link building is more important than ever.

10. Own unlinked mentions

Unlinked brand mentions are an extremely strong authority signal for AI models, which recognize entities across the entire web. Monitor and grow brand mentions in articles, forums, social media and directories.

Where to start when resources are limited

The checklist can look daunting for an SME with a tight budget. The good news: you do not need to execute everything at once. Priority should be set based on sector and the type of queries that drive business.

B2B and professional services (the segment most hit by AI Overviews): start with points 1, 2 and 4 — citation blocks, factual density, authorship. These three actions alone can make the difference between being cited or being ignored by the AI.

Retail and e-commerce: pressure is lower because transactional queries are less affected. Focus on points 3 and 7 — Product schema markup and brand entity consistency across platforms.

Restaurants and tourism (sectors with explosive AI Overview growth, +680% and +381% respectively): point 5 is crucial. Optimize for specific conversational questions such as "what is the best gluten-free restaurant in Milan?" or "what to see in Florence in 3 days?".

The new metric: no longer traffic, but AI visibility

Rand Fishkin of SparkToro says it bluntly: in a zero-click world, traffic is a terrible goal. Every platform — Google, Facebook, LinkedIn, Reddit, YouTube, Instagram and the AI tools — will send less traffic in 2026 than in 2025.

This does not mean digital marketing is over. It means metrics must change. Bain & Company recommends moving from click-based metrics to metrics based on:

Search impressions: how many times the brand appears, even without clicks.
AI reach: how many AI answers cite the brand.
Share of Model: the share of AI citations vs. competitors.
Brand search volume: how many people search the brand directly by name (the ultimate awareness signal).

For SMEs the operational advice is immediate: monitor brand search volume in Google Search Console. If it grows despite the drop in generic organic traffic, the strategy is working. People know the brand, search for it by name, and AI cannot intermediate a branded search.

Zero-click marketing: create value where people already are

SparkToro defines zero-click marketing as the practice of creating standalone value on the platforms where people spend their time, instead of publishing teasers and links hoping they click through. It means writing LinkedIn posts that are already the resource, not a teaser to the blog. It means creating Instagram reels that solve the problem, not ones that redirect to the site.

It is not an anti-website philosophy: it is pragmatic. If 60%+ of searches do not generate clicks, concentrating all efforts on "driving traffic to the site" is like investing 100% of the budget in a channel that is collapsing. Diversifying is the answer: the site remains the foundation, but value must be distributed wherever the audience is.

Frequently Asked Questions

What is zero-click search?

Zero-click search is a search on Google (or another engine) that ends without the user clicking on any result. The user finds the answer directly in the SERP via featured snippet, knowledge panel, AI Overview or simply by reading titles and descriptions. According to Similarweb and SparkToro (2025), between 58.5% and 68% of Google searches are zero-click, peaking above 80% on queries with an active AI Overview.

Why are zero-click searches increasing?

Zero-click searches are increasing due to three converging factors: the expansion of Google AI Overviews, now present in 48% of SERPs according to BrightEdge; improvements in featured snippets and knowledge panels that answer the query directly; and user habits, driven by consuming synthesized answers from ChatGPT, Perplexity and Gemini without needing to click external sites.

How do you optimize for AI Overview in 2026?

Optimizing for AI Overview requires a GEO (Generative Engine Optimization) strategy: structure content with 40-60 word citation blocks that are extractable standalone, factual density of one statistic every 150-200 words with verifiable sources, FAQPage and HowTo schema markup, real authorship with credentials, brand entity consistency across LinkedIn, Wikipedia and Google Business Profile. Cited brands earn +35% organic CTR.

Do zero-click searches kill SEO?

No. Traditional SEO does not die but transforms. Google AI Overviews favor content already well-ranked in the classic SERP: backlinks remain the #1 ranking factor. GEO sits alongside SEO, not in its place. Those who lose are those who stop investing; those who gain are those who optimize simultaneously for traditional ranking and for being cited by AI — an integrated "SEO + GEO" strategy.

How do you measure zero-click traffic?

Zero-click traffic is measured indirectly by monitoring four metrics: search impressions in Google Search Console (growing even as clicks drop), Share of Model via Profound, Otterly.ai or BrightEdge, brand search volume as an awareness proxy, and AI referral sessions in Google Analytics (source perplexity.ai, chatgpt.com, gemini.google.com). Similarweb and Semrush offer dashboards dedicated to AI visibility.

Do you need an AI-first SEO strategy?

60% of searches no longer generate clicks: classic SEO on its own is not enough. You need an integrated SEO + GEO strategy that optimizes content, authorship, schema markup and link building to be cited — not just indexed — by Google AI Overviews, ChatGPT, Perplexity and Gemini.

At Deep Marketing we design AI-first SEO strategies for growing companies: Share of Model audit, content restructuring with citation blocks, digital PR and high-authority link building. Discover our SEO, GEO & Link Building service or get in touch for a consultation tailored to your business.