B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
7.2%
7.2% -- percentage of sites with any ai discovery file for live websites (Q2 2026)
7.2% of live websites crawled had at least one AI Discovery File.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
7.2%
Unit
Percentage
Data Vintage
Q2 2026
Entity
Sample Size
1,905
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
365i (AI Visibility)
Primary
Tier B
https://www.ai-visibility.org.uk/ai-visibility-checker/ ↗
Source Article
AI Visibility Checker: Free AI Readiness Scan
Original Research
365i (AI Visibility)
· Original study ↗
Methodology
Crawl of 1,905 live sites by 365i
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
live websites: 7.2% percentage of sites with any ai discovery file. Source: 365i (AI Visibility) (Q2 2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-discovery-file-adoption-q2-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/ai-discovery-file-adoption-q2-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>7.2%</strong> -- percentage of sites with any ai discovery file for live websites<br><small>Source: 365i (AI Visibility) (Q2 2026) · <a href="https://lighthousedata.io/data/ai-discovery-file-adoption-q2-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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