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How to write your email subject line to maximize open rate
Insights from Demand Curve.
Here's a friendly reminder: Slight tweaks to your email subject line can lead to significant swings in open rate.
To get the highest ROI out of your email campaigns, try this:
- Create multiple subject lines and A/B test them on ~10% of your list. Then set up your email software to send the iteration that receives the highest open rate to the rest of your list. We've found that small iterations on your initial subject line work best because they require less time to write.
- Pique curiosity. Subject lines are like cliffhangers. Provide an inkling of the content within without revealing too much: Intrigue readers to open to satisfy their curiosity. Just make sure your subject line does relate to your content—otherwise you'll lose trust.
Reminder: Past email quality has the greatest impact on your open rate. Quality content leads to high open rates on future emails. Subject lines are just the icing on the cake.
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