Email Open Rate (EOR)
Percentage of recipients who open an email
FORMULA
Email Open Rate = (Total Opens / Total Delivered) × 100
Alternate Calculations
Unique Opens
(Unique Opens / Total Delivered) × 100What is Email Open Rate?
Email Open Rate measures the percentage of delivered emails that are opened by recipients. It's a key indicator of email subject line effectiveness and list quality. Industry benchmarks typically range from 15-25%. Used to evaluate email campaign performance.
Chart
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Sample Data
| campaign | delivered | opens | openRate |
|---|---|---|---|
| Campaign 1 | 10,000 | 2,000 | 20 |
| Campaign 2 | 12,000 | 2,640 | 22 |
| Campaign 3 | 11,000 | 2,200 | 20 |
| Campaign 4 | 13,000 | 3,120 | 24 |
Required Data Columns
Total DeliveredTotal Opens