B
Evidence Grade B
Graded
under review
Safe to Cite
Current
40%
40% -- mobile open rate for email subscribers (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
40%
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
90
Citation Chain
90
Independence
30
Methodology
45
Freshness
86
Source
Litmus
Primary
Tier A
https://litmus.com/blog/taking-mobile-optimization-to-the-next-level-hover-effects-layout-changes?ut… ↗
Source Article
Your Guide to Bulletproof Email Buttons that Work
Key takeaways ✨- You should never use bulletproof button images because they get lost when images are turned off—and they’re not accessible.
- Eye-catching and clickable buttons depend on multiple factors like shape, size, spacing, and more.
- There are five ways to code bulletproof CTAs including c…
Original Research
Litmus
· Original study ↗
Methodology
State of Email Engagement report
Segmentation
Channelcommon_crawl
Cite this stat
Plain Text
email subscribers: 40% mobile open rate. Source: Litmus (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/email-subscribers-mobile-open-rate
HTML Embed
<blockquote cite="https://lighthousedata.io/data/email-subscribers-mobile-open-rate" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>40%</strong> -- mobile open rate for email subscribers<br><small>Source: Litmus (2026) · <a href="https://lighthousedata.io/data/email-subscribers-mobile-open-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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