B
Evidence Grade B
Graded
under review
Safe to Cite
Current
15%
15% -- revenue increase for email A/B split test with Laura-Geller signed messages for non-buyers (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
15%
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.
Score breakdown
Extraction
75
Source Trust
50
Citation Chain
90
Independence
30
Methodology
45
Freshness
86
Sources (5)
Alchemy Worx
Primary
Tier B
https://alchemyworx.com/blog/personal-touch/ ↗
Source Article
We Test Everything: The Personal Touch - Alchemy Worx
It has long been established that personalizing campaigns can boost response. Personalization can include recipients’ names, their companies, their birthdays, their locations, their past purchase behavior, and other unique identifiers.
We tested personalization, and then we went a step further and t…
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Original Research
Alchemy Worx
· Original study ↗
Methodology
Email A/B split test
Segmentation
Channelcommon_crawl
Cite this stat
Plain Text
email A/B split test with Laura-Geller signed messages for non-buyers: 15% revenue increase. Source: Alchemy Worx (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/non-buyers-email-ab-test-revenue-increase
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<blockquote cite="https://lighthousedata.io/data/non-buyers-email-ab-test-revenue-increase" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>15%</strong> -- revenue increase for email A/B split test with Laura-Geller signed messages for non-buyers<br><small>Source: Alchemy Worx (2026) · <a href="https://lighthousedata.io/data/non-buyers-email-ab-test-revenue-increase" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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