B
Evidence Grade B
Graded
under review
Safe to Cite
Current
42%
42% -- click increase from reducing email ctas from 4 to 1 for Whirlpool (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
42%
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
oberlo.ca
Primary
Tier C
https://www.oberlo.ca/blog/email-marketing-examples ↗
Source Article
Anatomy of a Killer Email: 18 Email Marketing Examples To Copy
Original Research
oberlo.ca
· Original study ↗
Methodology
Single-company email case study cited in Oberlo article; Whirlpool reduced CTAs from 4 to 1. No original research report named.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Whirlpool: 42% click increase from reducing email ctas from 4 to 1. Source: oberlo.ca (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/whirlpool-single-cta-clicks
HTML Embed
<blockquote cite="https://lighthousedata.io/data/whirlpool-single-cta-clicks" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>42%</strong> -- click increase from reducing email ctas from 4 to 1 for Whirlpool<br><small>Source: oberlo.ca (2026) · <a href="https://lighthousedata.io/data/whirlpool-single-cta-clicks" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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