B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
26.3%
26.3% -- schema org markup adoption rate for websites in AI Visibility Q3 crawl (Q3 2026)
Only 26.3% of websites audited in AI Visibility's Q3 crawl had any Schema.org markup on their homepage.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
26.3%
Unit
Percentage
Data Vintage
Q3 2026
Entity
Sample Size
1,744
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
AI Visibility
Primary
Tier A
https://www.ai-visibility.org.uk/blog/how-to-appear-in-ai-search/ ↗
Source Article
How to Appear in AI Search Results: 3 Steps (2026) | AI Visibility
Updated 4 September 2026
Google now reports AI search impressions in Search Console, and ships a switch that can exclude your site from AI Overviews and AI Mode entirely. Both went worldwide on 31 August 2026, so there are two new sections: how to read your AI visibility in your own data, and how to…
Original Research
AI Visibility
· Original study ↗
Methodology
Homepage Schema.org markup audit
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
websites in AI Visibility Q3 crawl: 26.3% schema org markup adoption rate. Source: AI Visibility (Q3 2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/schema-markup-homepage-q3
HTML Embed
<blockquote cite="https://lighthousedata.io/data/schema-markup-homepage-q3" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>26.3%</strong> -- schema org markup adoption rate for websites in AI Visibility Q3 crawl<br><small>Source: AI Visibility (Q3 2026) · <a href="https://lighthousedata.io/data/schema-markup-homepage-q3" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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