B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
34%
34% -- click through rate reduction for Google AI Overviews (2026)
Overall search click-through rates drop by about 34% when an AI Overview appears compared to results without one.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
34%
Unit
Percentage
Data Vintage
2026
Entity
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
365digital.agency
Primary
Tier C
https://365digital.agency/marketing/generative-engine-optimization-geo-guide ↗
Source Article
What is GEO (Generative Engine Optimization) and Why It Matters for Your Business
Original Research
365digital.agency
· Original study ↗
Methodology
Comparison of CTR for search results with AI Overviews vs without; cited by 365Digital agency article
Methodology documented
Trend Over Time
| Period | Value | Change |
|---|---|---|
| 2025 | 15% | |
| 2025-12 | 58% | +286.7% |
| 2026 (current) | 34.5% | -40.5% |
| 2026 (current) | 34% | -1.4% |
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google AI Overviews: 34% click through rate reduction. Source: 365digital.agency (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-overviews-ctr-drop-34-percent
HTML Embed
<blockquote cite="https://lighthousedata.io/data/ai-overviews-ctr-drop-34-percent" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>34%</strong> -- click through rate reduction for Google AI Overviews<br><small>Source: 365digital.agency (2026) · <a href="https://lighthousedata.io/data/ai-overviews-ctr-drop-34-percent" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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