B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
47%
47% -- email open rate lift for AWeber course email subscribers (2026)
Letting subscribers choose their email frequency on the signup form increased email open rates by 47% for AWeber's 'What to Write in Your Emails' course.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
47%
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
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
AWeber
Primary
Tier A
http://www.aweber.com/blog/email-marketing/4-best-practices-for-web-forms.htm ↗
Source Article
AWeber Email Marketing Tips
Original Research
AWeber
· Original study ↗
Methodology
AWeber case study: letting subscribers choose course email frequency on signup form increased open rates by 47%
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
AWeber course email subscribers: 47% email open rate lift. Source: AWeber (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/aweber-case-study-open-rate-lift-2026
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<blockquote cite="https://lighthousedata.io/data/aweber-case-study-open-rate-lift-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>47%</strong> -- email open rate lift for AWeber course email subscribers<br><small>Source: AWeber (2026) · <a href="https://lighthousedata.io/data/aweber-case-study-open-rate-lift-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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