B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
15%
15% -- click through rate lift for Emails sent mid-morning (9-11 AM) vs other times (2026)
Sending emails during the mid-morning window (9 AM to 11 AM) boosts click-through rates by 15% to 20%.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
15%
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
ecommerceboost.io
Primary
Tier C
https://ecommerceboost.io/uncategorized/best-days-to-email/ ↗
Source Article
Master the Best Days to Email for Top Engagement & Sales in 2026
For years, marketers have clung to a simple rule: send your important emails on Tuesday. But in the world of ecommerce, holding onto old rules is the fastest way to get left behind. The truth is, the real best day to email is probably the one everyone else is still ignoring.
The Real Truth About the…
Original Research
ecommerceboost.io
· Original study ↗
Methodology
Cited studies on send-time optimization; range 15-20%, midpoint used
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Emails sent mid-morning (9-11 AM) vs other times: 15% click through rate lift. Source: ecommerceboost.io (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/midmorning-send-ctr-lift-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/midmorning-send-ctr-lift-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>15%</strong> -- click through rate lift for Emails sent mid-morning (9-11 AM) vs other times<br><small>Source: ecommerceboost.io (2026) · <a href="https://lighthousedata.io/data/midmorning-send-ctr-lift-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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