B
Evidence Grade B
Graded
under review
Safe to Cite
Current
15%
15% -- click through rate decline for Google AI Overviews (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
15%
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
seovendor.co
Primary
Tier B
https://seovendor.co/google-ai-search-impressions-in-gsc-how-to-read-the-new-report/ ↗
Source Article
Google AI Search Impressions in GSC: How to Read the New Report
GSC counts Google AI Search impressions. You will see them when AI results show your page in search. Clicks and CTR matter. You can access the report in GSC if your property has it. You need to compare AI Search impressions with regular search impressions because agencies often misread client gains …
Original Research
seovendor.co
· Original study ↗
Methodology
Reported range of 15%-89% CTR decline; midpoint (52%) used per range guidance
Methodology documented
Trend Over Time
| Period | Value | Change |
|---|---|---|
| 2025 | 47% | |
| 2025 | 58% | +23.4% |
| 2026 (current) | 34% | -41.4% |
| 2026 (current) | 15% | -55.9% |
| 2026 (current) | 89% | +493.3% |
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google AI Overviews: 15% click through rate decline. Source: seovendor.co (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-overviews-ctr-decline-range
HTML Embed
<blockquote cite="https://lighthousedata.io/data/ai-overviews-ctr-decline-range" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>15%</strong> -- click through rate decline for Google AI Overviews<br><small>Source: seovendor.co (2026) · <a href="https://lighthousedata.io/data/ai-overviews-ctr-decline-range" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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