Don’t forget to add a short preview description to encourage people to click on your email. I’m worth the wait Generating witty text... Want the loading time to be longer so we can spend more time together :) Don’t forget to add a fun, relevant call-to-action button to your email. I wish I looked as good as you while waiting 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails.