B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
28%
28% -- citation likelihood lift from formatting for AI engines (2026-04)
AI engines are 28% to 40% more likely to cite content that has clear formatting such as hierarchical headings, bullet points, numbered lists, and tables.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
28%
Unit
Percentage
Data Vintage
2026-04
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
HubSpot
Primary
Tier B
https://chatterbubble.co/resources/ai-search-optimization-for-branding-agencies-2026 ↗
Source Article
AI Search Optimization for Branding Agencies in 2026
AI Search Optimization for Branding Agencies in 2026
Branding agencies that don't appear in AI-generated recommendations are already losing new business to agencies that do. When a startup founder asks ChatGPT "which are the best branding agencies for early-stage SaaS companies," the agencies in tha…
Original Research
HubSpot
· Original study ↗
Methodology
HubSpot April 2026 analysis; range 28-40%, midpoint used
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
AI engines: 28% citation likelihood lift from formatting. Source: HubSpot (2026-04). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-citation-formatting-lift-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/ai-citation-formatting-lift-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>28%</strong> -- citation likelihood lift from formatting for AI engines<br><small>Source: HubSpot (2026-04) · <a href="https://lighthousedata.io/data/ai-citation-formatting-lift-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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