Generating witty text... Is anyone even reading this? Try different email subject line styles to find what gets the most opens. Keep an eye on your email open rate to analyze and improve performance! One Mississippi, two Mississippi… 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Don’t forget to add a short preview description to encourage people to click on your email. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails.