B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
34.5%
34.5% -- click through rate decrease for Google Search top-ranking pages (when AI Overview present) (2025)
When an AI Overview is present in Google search results, the clickthrough rate (CTR) for the top-ranking page decreases by 34.5% compared to similar searches without an AI Overview.
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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.io
Primary
Tier B
https://smithdigital.io/blog/ai-overviews-are-stealing-your-clicks-heres-how-to-steal-them-back ↗
Source Article
AI Overviews Are Stealing Your Clicks—Here’s How to Steal Them Back
1 min read
How to Optimize Your Content for Google’s AI-Generated Search Results
SEO as we know it is undergoing a transformation. With Google increasingly using AI to generate answers directly in search results, traditional SEO...
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Original Research
smithdigital.io
· Original study ↗
Methodology
Study of 300,000 keywords comparing CTR of the top-ranking page for searches with an AI Overview present vs. similar searches without one. Original study publisher is not named in the article.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google Search top-ranking pages (when AI Overview present): 34.5% click through rate decrease. Source: smithdigital.io (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-overview-top-rank-ctr-decline
HTML Embed
<blockquote cite="https://lighthousedata.io/data/ai-overview-top-rank-ctr-decline" 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 decrease for Google Search top-ranking pages (when AI Overview present)<br><small>Source: smithdigital.io (2025) · <a href="https://lighthousedata.io/data/ai-overview-top-rank-ctr-decline" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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