A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Sit up straight. Fighting off robots… Want the loading time to be longer so we can spend more time together :) 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! Not just a pretty interface Test, test, and test again! Make sure your email looks good on all devices before you send it out.