Get creative with emojis in email subject lines to increase open rates! Keep an eye on your email open rate to analyze and improve performance! [insert fun loading text here] 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Fighting off robots… My day’s been ok, how’s yours? A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Boost your email opens with a punchy subject line.