B
Evidence Grade B
Graded
under review
Safe to Cite
Recent
34.5%
34.5% -- click through rate reduction for Google top-ranking pages with AI Overviews (2025)
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
34.5%
Unit
Percentage
Data Vintage
2025
Entity
Sample Size
300,000
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
SmithDigital
Primary
Tier B
https://smithdigital.io/b819643e-580f-4934-a4df-f37b65942975/cb945b22-d20b-409b-9216-312547ce7213 ↗
Source Article
The Vanishing Click: How AI Summaries Are Changing Search
The Vanishing Click: How AI Summaries Are Changing Search
SmithDigital
• 13 min
Play episode
Google's introduction of AI Overviews, intended to enhance user experience by providing direct answers at the top of search results, has led to a significant decrease in clickthrough rates for top-ranking pa…
Original Research
SmithDigital
· Original study ↗
Methodology
Study of 300,000 keywords comparing CTR with and without AI Overview presence
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google top-ranking pages with AI Overviews: 34.5% click through rate reduction. Source: SmithDigital (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-overviews-ctr-reduction-345
HTML Embed
<blockquote cite="https://lighthousedata.io/data/ai-overviews-ctr-reduction-345" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>34.5%</strong> -- click through rate reduction for Google top-ranking pages with AI Overviews<br><small>Source: SmithDigital (2025) · <a href="https://lighthousedata.io/data/ai-overviews-ctr-reduction-345" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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