B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
34.5%
34.5% -- ctr decrease top ranking pages for Google Search (2025)
AI Overviews correlated with a 34.5% decrease in CTR for top-ranking pages according to Ahrefs.
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Lighthouse Research Team
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Evidence graded
Value
34.5%
Unit
Percentage
Data Vintage
2025
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://www.seobility.net/en/blog/impact-of-ai-overviews-on-seo/ ↗
Source Article
How do Google AI Overviews affect SEO (and how should you adapt)?
In this post
How Google AI Overviews Affect SEO (and How to Adapt)
- The Core Issue: Google’s AI Overviews answer many queries right at the top of the results page. That pushes down organic click-through rates and raises the share of zero-click searches, especially for generic informational content.…
Original Research
Ahrefs
· Original study ↗
Methodology
Ahrefs study
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google Search: 34.5% ctr decrease top ranking pages. Source: Ahrefs (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ctr-decrease-ai-overviews-34-5
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<blockquote cite="https://lighthousedata.io/data/ctr-decrease-ai-overviews-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> -- ctr decrease top ranking pages for Google Search<br><small>Source: Ahrefs (2025) · <a href="https://lighthousedata.io/data/ctr-decrease-ai-overviews-34-5" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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