B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
34.5%
34.5% -- click through rate reduction for Google top-ranking organic result (2025-04)
Ahrefs measured a 34.5% reduction in average click-through rate for top-ranking organic search results when an AI Overview was present in April 2025.
- Treated as correlation, not proof of cause
Attribution:
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Lighthouse Research Team
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Source verified
Evidence graded
Value
34.5%
Unit
Percentage
Data Vintage
2025-04
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
Ahrefs
Primary
Tier B
https://queryscope.dev/blog/google-search-console-metrics-explained ↗
Source Article
Google Search Console metrics explained · QueryScope
Google Search Console metrics explained
Clicks, impressions, CTR, and position in Google Search Console, plus the honest limit behind each metric: why your totals never reconcile.
Google Search Console reports your search performance through four core metrics: clicks, impressions, click-through rate…
Original Research
Ahrefs
· Original study ↗
Methodology
Earlier Ahrefs study cited in the same article
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google top-ranking organic result: 34.5% click through rate reduction. Source: Ahrefs (2025-04). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-overviews-ctr-drop-april-2025-34-5
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<blockquote cite="https://lighthousedata.io/data/ai-overviews-ctr-drop-april-2025-34-5" 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 organic result<br><small>Source: Ahrefs (2025-04) · <a href="https://lighthousedata.io/data/ai-overviews-ctr-drop-april-2025-34-5" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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