B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
19.3%
19.3% -- dead cited url rate for AI-cited URLs across seven engines (2026)
19.3% of AI-cited URLs across seven engines returned dead or unreachable responses in a one-month snapshot by Otterly.ai.
- Descriptive snapshot, not longitudinal
- Does not prove why individual URLs died
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
19.3%
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Otterly.ai
Primary
Tier B
https://artlogic.ca/geo/resources ↗
Source Article
GEO Resource Library: Sources, Studies and Paths
Original Research
Otterly.ai
· Original study ↗
Methodology
Otterly.ai study of over 20 million cited URLs, one-month snapshot
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
AI-cited URLs across seven engines: 19.3% dead cited url rate. Source: Otterly.ai (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/otterly-dead-citations-overall
HTML Embed
<blockquote cite="https://lighthousedata.io/data/otterly-dead-citations-overall" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>19.3%</strong> -- dead cited url rate for AI-cited URLs across seven engines<br><small>Source: Otterly.ai (2026) · <a href="https://lighthousedata.io/data/otterly-dead-citations-overall" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
Share
Related Statistics
Use this data in your work
Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.