Test, test, and test again! Make sure your email looks good on all devices before you send it out. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Get creative with emojis in email subject lines to increase open rates! [insert fun loading text here] One Mississippi, two Mississippi… I wish I looked as good as you while waiting Sit up straight.