51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Want the loading time to be longer so we can spend more time together :) Boost your email opens with a punchy subject line. Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Is anyone even reading this? Don’t make ‘em yawn! Keep your emails exciting and brief. Fighting off robots… Don’t forget to add a fun, relevant call-to-action button to your email.