B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
30%
30% -- ai information retrieval improvement for Pages with structured data (schema markup) in ChatGPT (2026)
Aiso's own test measured an approximately 30% retrieval lift from schema markup.
- Correlational, directional indicator from a controlled test with paired live sites
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
30%
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
Aiso
Primary
Tier B
https://www.getaiso.com/llm-ranking-factors ↗
Source Article
LLM Ranking Factors: What Actually Determines Whether AI Recommends Your Brand
Introduction: The New Battlefield for Visibility
Key takeaways
- There are 12 LLM visibility factors plus one precondition (query-grounding match). Brand authority, freshness, content depth, and schema markup are the highest-leverage four.
- LLMs do not rank in the Google sense. Every factor below i…
Original Research
Aiso
· Original study ↗
Methodology
Controlled test with paired live sites (Aiso Schema Markup Experiment)
Methodology documented
Segmentation
IndustryAI & Machine Learning
RoleAll marketers
Channelcontent
Cite this stat
Plain Text
Pages with structured data (schema markup) in ChatGPT: 30% ai information retrieval improvement. Source: Aiso (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/schema-markup-ai-retrieval-improvement-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/schema-markup-ai-retrieval-improvement-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>30%</strong> -- ai information retrieval improvement for Pages with structured data (schema markup) in ChatGPT<br><small>Source: Aiso (2026) · <a href="https://lighthousedata.io/data/schema-markup-ai-retrieval-improvement-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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