B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
50%
50% -- spend lift from personalization for consumers preferring personalized brands (2026)
Consumers who prefer brands offering personalised experiences spend 50% more.
- Cited from a Deloitte study in a StackAdapt report
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Lighthouse Research Team
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Source verified
Evidence graded
Value
50%
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Deloitte
Primary
Tier C
https://nathanoconnor.co.uk/first-party-data-stop-renting-customer-insights-and-start-owning-them ↗
Source Article
First-Party Data: Stop renting customer insights and start owning them
The Short Answer: Real data ownership requires three architecturally separate consent systems: Enhanced Conversions for measurement, Customer Match for audiences, and email with its own opt-in. From 29 April 2026, that scope includes affiliate tracking pixels too. Server-side tracking improves signa…
Original Research
Deloitte
· Original study ↗
Methodology
Deloitte study cited in StackAdapt report
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
consumers preferring personalized brands: 50% spend lift from personalization. Source: Deloitte (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/personalized-experience-spend-lift
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<blockquote cite="https://lighthousedata.io/data/personalized-experience-spend-lift" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>50%</strong> -- spend lift from personalization for consumers preferring personalized brands<br><small>Source: Deloitte (2026) · <a href="https://lighthousedata.io/data/personalized-experience-spend-lift" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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