Don’t forget to add a fun, relevant call-to-action button to your email. Boost your email opens with a punchy subject line. Want the loading time to be longer so we can spend more time together :) A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Don’t make ‘em yawn! Keep your emails exciting and brief. My day’s been ok, how’s yours? Generating witty text... Test, test, and test again! Make sure your email looks good on all devices before you send it out.