The ultimate guide to proven, time-tested subject lines

878 of the best email marketing
subject lines + 100 of the worst!

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Studies show that 35% of people open an email based on the subject line alone

878 proven, time-tested subject lines

How to write more effective subject lines

How to boost your ROI and maximize sales from your email marketing

Actional tips to increase your email marketing engagement (opens & clicks) by 70.5%

A list of subject lines to avoid

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