B
Evidence Grade B
Graded
under review
Safe to Cite
Recent
37.1%
37.1% -- click through rate uplift for marketing emails with a single CTA (2025)
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
37.1%
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
htmlpanda.com
Primary
Tier C
https://www.htmlpanda.com/blog/design-best-psd-email-templates-for-your-marketing-campaign/ ↗
Source Article
7 Best Tips to Design PSD Email Templates for a Marketing Campaign
Designing high-quality PSD templates tailored to your brand and messaging is the best way to create email campaigns. With the best design practices and the right elements, you can create the best email templates that not only look great but are also helpful in driving results.
While it almost feels …
Original Research
htmlpanda.com
· Original study ↗
Methodology
Unattributed statistic quoted in secondary blog
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
marketing emails with a single CTA: 37.1% click through rate uplift. Source: htmlpanda.com (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/single-cta-clicks-increase
HTML Embed
<blockquote cite="https://lighthousedata.io/data/single-cta-clicks-increase" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>37.1%</strong> -- click through rate uplift for marketing emails with a single CTA<br><small>Source: htmlpanda.com (2025) · <a href="https://lighthousedata.io/data/single-cta-clicks-increase" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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