SEO, AI Search and Web Performance Statistics 2026
Below are 26+ verified statistics on SEO, AI search (AI Overviews, ChatGPT, Perplexity), page speed and mobile/local search. Every data point is sourced and dated, and you are free to cite them. The three most important findings: the top three results on Google capture 68.7% of all clicks; AI Overviews spread from 31% to 48% of queries in a single year; every additional second of slowdown lowers conversions by ~7%.
How much traffic does each ranking position on Google bring?
Organic Search and Click-Through Rates
On Google, the top three organic results capture 68.7% of all clicks. Moving up a single position increases clicks noticeably; results below the first page are effectively invisible.
| Data | Finding | Source |
|---|---|---|
| %27,6 | Average click-through rate (CTR) of the first organic result on Google. | Backlinko (2025) |
| %68,7 | The top three organic results capture this share of all clicks. | First Page Sage (2026) |
| ~%70 | The top five organic results gather roughly this share of all clicks. | AIOSEO (2026) |
| %9,51 | Average click-through rate of the second result (less than a third of the first position). | First Page Sage (2026) |
| +%74,5 | Moving from position 2 to position 1 increases clicks by this much. | Backlinko (2025) |
| %42,9 | CTR climbs to this level when the first organic result is a featured snippet. | First Page Sage (2026) |
How and from where do AI engines cite content?
AI Search: AI Overviews, ChatGPT and Perplexity
The share of queries showing AI Overviews rose from 31% to 48% in a single year, and organic clicks fell ~30%. AI engines cite most of their content from the first 30% of a page, which is why opening each section with a direct answer (answer-first) is critical.
| Data | Finding | Source |
|---|---|---|
| %31 → %48 | The share of queries showing AI Overviews rose this much in one year, from February 2025 to February 2026. | BrightEdge (2026) |
| ~%30 | The drop in organic clicks as AI Overviews spread. | BrightEdge (2026) |
| %48 | Wikipedia is the single largest source of ChatGPT citations. | SE Ranking (2026) |
| %46,7 | Reddit is the source Perplexity cites most often. | SE Ranking (2026) |
| %21 | Reddit is one of the sources Google AI Overviews cites most frequently (YouTube ~23%, Wikipedia ~18%). | SQ Magazine (2026) |
| %44,2 | This share of all LLM citations comes from the first 30% of the text (the introduction) — concrete justification for writing answer-first. | GoodFirms (2026) |
| %34 / %43 / %93 | Zero-click rate: 34% on a Google search without AI Overviews, 43% on a search with AI Overviews, 93% in Google AI Mode. | GoodFirms (2026) |
How much does page speed affect conversions and revenue?
Page Speed and Core Web Vitals
Every additional second of delay lowers conversions by roughly 7%. Even so, only 38% of sites pass all three Core Web Vitals at once — meaning speed is a concrete competitive advantage that most rivals skip.
| Data | Finding | Source |
|---|---|---|
| %7 | Every additional second of delay lowers the conversion rate by roughly this much. | Edmonds Commerce (2025) |
| +%8,4 | A 0.1-second improvement in load time raises e-commerce conversions by this much. | Edmonds Commerce (2025) |
| +%32 | The increase in bounce probability when load time goes from 1 second to 3 seconds (+90% at 5 seconds). | Marketing LTB (2025) |
| %53 | Share of mobile users who abandon a page when load time exceeds 3 seconds. | Marketing LTB (2025) |
| %38 | Only this share of sites passes all three Core Web Vitals at once (global). | Magnet (2025) |
| %83 | Share of users who expect websites to load in under 3 seconds (47% expect under 2 seconds). | Marketing LTB (2025) |
How do mobile and 'near me' searches turn into sales?
Mobile and Local Search
63.8% of web traffic comes from mobile, and 78% of local mobile searches convert into an offline purchase — the highest conversion across all search types. Mobile-first design and local SEO are no longer optional.
| Data | Finding | Source |
|---|---|---|
| %63,8 | This share of global web traffic comes from mobile devices. | Scalify (2026) |
| %64 | This share of all Google searches happens on mobile devices. | theStacc (2026) |
| ~%70 | Roughly this share of local search queries comes from mobile. | BizIQ (2026) |
| %82 | Share of smartphone users who run a 'near me' search. | BizIQ (2026) |
| %76 | Share of 'near me' searches that result in a same-day visit. | BizIQ (2026) |
| %78 | Share of local mobile searches that convert into an offline purchase — the highest conversion across all search types. | BizIQ (2026) |
| +%400 | The increase in 'open now near me' searches. | BizIQ (2026) |
Can you use this data?
Yes. You are free to use these statistics in your articles, presentations or research, as long as you cite the source. For attribution: “ModernWebSEO — SEO and AI Search Statistics 2026” and a link to this page (https://www.modernwebseo.com/en/statistics). The original source for each finding is also linked above.
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