B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
33.75%
33.75% -- zero click rate for Keywords that gained AI Overview (Semrush/Datos) (2025-10)
Keywords tracked by Semrush and Datos that gained an AI Overview between May and October 2025 had an initial zero-click rate of 33.75%.
- Reflects the baseline zero-click rate prior to falling to 31.53% after gaining an AI Overview
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
33.75%
Unit
Percentage
Data Vintage
2025-10
Entity
Sample Size
200,000
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Semrush
Primary
Tier A
https://seohandbook.co.uk/seo-analytics/zero-click-measurement/ ↗
Source Article
Zero-Click Measurement and Impression Value | The SEO Handbook
Zero-Click Measurement and Impression Value
Last updated
Clicks and sessions are the metrics most SEO reports are built around. They measure something real, but they measure only the fraction of organic exposure that results in a site visit. The majority of organic exposure (brand name appearances, …
Original Research
Semrush
· Original study ↗
Methodology
Keyword-level tracking of 200,000 keywords with Datos clickstream data; zero-click rate fell from 33.75% to 31.53%
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Keywords that gained AI Overview (Semrush/Datos): 33.75% zero click rate. Source: Semrush (2025-10). Via Lighthouse Intelligence -- https://lighthousedata.io/data/semrush-aio-zero-click-decline-2025
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<blockquote cite="https://lighthousedata.io/data/semrush-aio-zero-click-decline-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>33.75%</strong> -- zero click rate for Keywords that gained AI Overview (Semrush/Datos)<br><small>Source: Semrush (2025-10) · <a href="https://lighthousedata.io/data/semrush-aio-zero-click-decline-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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