Don’t make ‘em yawn! Keep your emails exciting and brief. 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. Is anyone even reading this? Want the loading time to be longer so we can spend more time together :) Boost your email opens with a punchy subject line. Keep your email subject line short and attention-grabbing.