Fighting off robots… Boost your email opens with a punchy subject line. Want the loading time to be longer so we can spend more time together :) We’re very font of you because you’re our type. [insert fun loading text here] 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Keep your email subject line short and attention-grabbing. Test, test, and test again! Make sure your email looks good on all devices before you send it out.