B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
30%
30% -- cited domains absent from first page organic results for Google AI Overviews (2026)
Nearly 30% of domains cited in Google AI Overviews do not appear on page one organic results.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
30%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
55,393
Geography
Global
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
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Washington University
Primary
Tier A
https://getrevised.com/knowledge/ai-and-geo/what-is-geo ↗
Source Article
Generative Engine Optimization (GEO): What It Is and Where Domains Fit
Generative Engine Optimization (GEO): What It Is and Where Domains Fit
GEO is the work of getting cited by answer engines rather than ranked by a results page. What the term means, how ChatGPT, Perplexity and Google AI Overviews actually pick sources according to their own docs, a checklist for a ne…
Original Research
Washington University
· Original study ↗
Methodology
Washington University measurement study; 55,393 trending queries over 40 days
Methodology documented
Segmentation
IndustryMedia
RegionGlobal
RoleAll marketers
Channelsearch
Cite this stat
Plain Text
Google AI Overviews: 30% cited domains absent from first page organic results. Source: Washington University (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-overview-cited-domains-not-on-page-one
HTML Embed
<blockquote cite="https://lighthousedata.io/data/ai-overview-cited-domains-not-on-page-one" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>30%</strong> -- cited domains absent from first page organic results for Google AI Overviews<br><small>Source: Washington University (2026) · <a href="https://lighthousedata.io/data/ai-overview-cited-domains-not-on-page-one" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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