Boost your email opens with a punchy subject line. I wish I looked as good as you while waiting Don’t forget to add a fun, relevant call-to-action button to your email. Keep an eye on your email open rate to analyze and improve performance! 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Don’t make ‘em yawn! Keep your emails exciting and brief. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Keep your email subject line short and attention-grabbing.