B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
40%
40% -- ai overview appearance lift for Google AI Overviews pages with Tier 1 schema (2026)
Pages with complete Tier 1 schema see up to 40% more appearances in Google AI Overviews according to BrightEdge research.
- Up to 40% (upper bound)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
40%
Unit
Percentage
Data Vintage
2026
Entity
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
BrightEdge
Primary
Tier B
https://www.amicited.com/da/blog/schema-markup-ai-search-visibility-implementation/ ↗
Source Article
Schema-Markup til AI-søgesynlighed: En Implementeringsguide
Original Research
BrightEdge
· Original study ↗
Methodology
BrightEdge research on Google AI Overviews; 'up to' phrasing indicates upper bound
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google AI Overviews pages with Tier 1 schema: 40% ai overview appearance lift. Source: BrightEdge (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/tier1-schema-ai-overviews-visibility-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/tier1-schema-ai-overviews-visibility-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>40%</strong> -- ai overview appearance lift for Google AI Overviews pages with Tier 1 schema<br><small>Source: BrightEdge (2026) · <a href="https://lighthousedata.io/data/tier1-schema-ai-overviews-visibility-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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