people · May 16, 2026
Omnisend Analysis of 26 Billion Emails Shows Tuesday Best for Opens at 31.27%
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Omnisend analyzed more than 26 billion marketing emails sent by ecommerce brands over the past 12 months ending in May 2026. Tuesday achieved the highest weekly open rate of 31.27% and click-to-sent rate of 0.81% for awareness campaigns. Friday recorded the highest conversion rate of 0.081% with 4.51 billion emails sent. Marty Bauer, ecommerce expert at Omnisend, noted that Sunday at 11 a.m. delivered a 33.69% open rate in one of the strongest windows.
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