B
Evidence Grade B
Graded
under review
Safe to Cite
Recent
3%
3% -- click to open rate for partner monthly email (single-item control) (2025)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
3%
Unit
Percentage
Data Vintage
2025
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
Email Optimization Shop (Jeanne Jennings)
Primary
Tier B
https://emailopshop.com/case-study-a-100-increase-in-site-traffic-from-email/ ↗
Source Article
Case Study: a 100% increase in site traffic from email - Email Optimization Shop by Jeanne Jennings
You know the ‘conventional wisdom’ that short emails perform better than long ones? It’s not always true.
Read on to learn how we dramatically increased traffic from an email to the website by taking a strategic approach to increasing the length of the message.
One website, thousands of items for vi…
Original Research
Email Optimization Shop (Jeanne Jennings)
· Original study ↗
Methodology
Control version featuring one item in A/B email test. Single-client case study.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
partner monthly email (single-item control): 3% click to open rate. Source: Email Optimization Shop (Jeanne Jennings) (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/email-ctor-control-single-item
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<blockquote cite="https://lighthousedata.io/data/email-ctor-control-single-item" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>3%</strong> -- click to open rate for partner monthly email (single-item control)<br><small>Source: Email Optimization Shop (Jeanne Jennings) (2025) · <a href="https://lighthousedata.io/data/email-ctor-control-single-item" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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