B
Evidence Grade B
Graded
under review
Safe to Cite
Recent
31%
31% -- click volume uplift for Buzz Education email campaign to schools (second A/B test with near-identical open rates) (2025)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
31%
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
Buzz Education
Primary
Tier B
https://www.buzz-education.com/blog/email-subject-line-ab-testing/ ↗
Source Article
How much difference can an email subject line really make | Buzz Education
How much difference can an email subject line really make?
Who is this article for?
This blog post is written for education suppliers who send email campaigns to schools and want to get more from their subject lines, using real A/B test data rather than general rules of thumb.
We spend a lot of time…
Original Research
Buzz Education
· Original study ↗
Methodology
Separate campaign where changing the subject line barely affected open rate but one version generated 31% more clicks than the other. Sample size and exact test period not stated; article gives no publication date, so collection-year approximation used.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Buzz Education email campaign to schools (second A/B test with near-identical open rates): 31% click volume uplift. Source: Buzz Education (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/buzz-subject-line-31-more-clicks
HTML Embed
<blockquote cite="https://lighthousedata.io/data/buzz-subject-line-31-more-clicks" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>31%</strong> -- click volume uplift for Buzz Education email campaign to schools (second A/B test with near-identical open rates)<br><small>Source: Buzz Education (2025) · <a href="https://lighthousedata.io/data/buzz-subject-line-31-more-clicks" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
Share
Use this data in your work
Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.