B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
62.4%
62.4% -- citations from high authority domains share for AI engine healthcare citations (2026)
62.4% of citations across the analyzed AI engines came from high-authority domains (DR 81-100).
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
62.4%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
5,472
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
Outcomes Rocket
Primary
Tier B
https://rctrl.com/blog/aeo-healthcare-hipaa-safe-citation-strategies ↗
Source Article
AEO for Healthcare Brands: HIPAA-Safe AI Citations
Healthcare AEO is the hardest vertical in AI search, and the reason isn't the technology. It's that every other vertical can afford to be sloppy in the first draft. Healthcare cannot. Publish an unverified drug interaction claim, or a testimonial with a stray identifying detail, and the exposure is …
Original Research
Outcomes Rocket
· Original study ↗
Methodology
Outcomes Rocket 5,472-citation study
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
AI engine healthcare citations: 62.4% citations from high authority domains share. Source: Outcomes Rocket (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/high-authority-domain-citation-share-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/high-authority-domain-citation-share-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>62.4%</strong> -- citations from high authority domains share for AI engine healthcare citations<br><small>Source: Outcomes Rocket (2026) · <a href="https://lighthousedata.io/data/high-authority-domain-citation-share-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
Share
Use this data in your work
Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.