Definition
The percentage of delivered emails that were opened. A signal of subject-line strength, though less reliable as privacy features inflate it.
Glossary
Open rate
The percentage of delivered emails that were opened. A signal of subject-line strength, though less reliable as privacy features inflate it.
Related terms
- Click rateThe percentage of recipients who clicked a link. A stronger signal of engagement and intent than opens.
- Send-time optimisationChoosing the best moment to send to each recipient based on when they tend to engage, to lift opens and clicks.
- Inbox placement rateThe percentage of delivered emails that reach the inbox rather than spam. A truer measure of success than delivery rate.
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