B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
38%
38% -- ai overview citation share for Wikipedia, YouTube, Google, Reddit, Amazon (2025)
Wikipedia, YouTube, Google properties, Reddit, and Amazon accounted for 38% of citations in AI Overviews according to Ahrefs.
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Lighthouse Research Team
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Evidence graded
Value
38%
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://seovendor.co/top-domains-cited-in-ai-overviews-agency-geo-strategy/ ↗
Source Article
Top Domains Cited in AI Overviews: Agency GEO Strategy
Most cited domains are core AI overview sources. You should therefore track the most cited domains in AI overviews for GEO research. Strong lists often mix peer reviewed journals, tech preprints, trade news, and analyst reports because each fills a need.
Table of Contents
However, breadth alone crea…
Original Research
Ahrefs
· Original study ↗
Methodology
Ahrefs AI Overview citation study
Methodology documented
Segmentation
Industrymarketing
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Plain Text
Wikipedia, YouTube, Google, Reddit, Amazon: 38% ai overview citation share. Source: Ahrefs (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ahrefs-top-domains-citation-share
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<blockquote cite="https://lighthousedata.io/data/ahrefs-top-domains-citation-share" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>38%</strong> -- ai overview citation share for Wikipedia, YouTube, Google, Reddit, Amazon<br><small>Source: Ahrefs (2025) · <a href="https://lighthousedata.io/data/ahrefs-top-domains-citation-share" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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