B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
12.6%
12.6% -- dead or unreachable cited url rate for Google AI Overviews (2026)
12.6% of cited URLs in Google AI Overviews were dead or unreachable.
- One-month snapshot
- Descriptive not controlled
- Does not prove causation
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
12.6%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
20,000,000
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Otterly.ai
Primary
Tier C
https://artlogic.ca/geo/resources ↗
Source Article
GEO Resource Library: Sources, Studies and Paths
Original Research
Otterly.ai
· Original study ↗
Methodology
From Otterly.ai dead-citations study; vendor-reported
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google AI Overviews: 12.6% dead or unreachable cited url rate. Source: Otterly.ai (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/dead-ai-citations-google-ai-overviews-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/dead-ai-citations-google-ai-overviews-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>12.6%</strong> -- dead or unreachable cited url rate for Google AI Overviews<br><small>Source: Otterly.ai (2026) · <a href="https://lighthousedata.io/data/dead-ai-citations-google-ai-overviews-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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