Keep it concise and punchy
The subject line’s job is to grab attention, not convey the entirety of the email’s content. Focus on one core message, without filler words or excessive detail.
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Email subject line best practices
Make it personal (actually personal)
Including the customer’s first name is fine, but what really resonates is content that’s specific to their activity or preferences—both known and predicted.
Always be testing what works for who
Urgency, curiosity, humor, emojis—A/B test different tactics to see what resonates, then keep at it. Some things may work especially well for specific segments.
8 email subject line principles to increase open rates
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