Subject Line Benchmarks
This report focuses on how subject line components like length, personalization, message type and industry impact email performance.
Some of our key findings include:
- Subject lines under 20 characters generated a 31% higher open rate than the overall average.
- Personalized subject lines generated 50% higher open rates and 58% higher click-to-open rates than non-personalized ones.
- Subject line length impacted open rates most significantly for the retail and technology industries.
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