B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
33%
33% -- search referral decline for news sites (2026)
AI Overviews have reduced global search referrals to news sites by 33% according to Chartbeat data covering over 2,500 outlets.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
33%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
2,500
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
Chartbeat
Primary
Tier B
https://www.365iwebdesign.co.uk/news/2026/01/30/uk-cma-google-ai-overviews-opt-out/ ↗
Source Article
UK CMA Forces Google to Let Websites Opt Out of AI Overviews | 365i
Britain's Competition and Markets Authority on 28 January 2026 proposed that website publishers be allowed to opt out of having their content used in Google's AI Overviews and AI Mode, without losing visibility in traditional search results. The conduct requirements, published under new powers in th…
Original Research
Chartbeat
· Original study ↗
Methodology
Chartbeat data covering over 2,500 outlets
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
news sites: 33% search referral decline. Source: Chartbeat (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-overviews-news-referral-decline-2026
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<blockquote cite="https://lighthousedata.io/data/ai-overviews-news-referral-decline-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>33%</strong> -- search referral decline for news sites<br><small>Source: Chartbeat (2026) · <a href="https://lighthousedata.io/data/ai-overviews-news-referral-decline-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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