Get creative with emojis in email subject lines to increase open rates! Boost your email opens with a punchy subject line. Want the loading time to be longer so we can spend more time together :) My day’s been ok, how’s yours? Not just a pretty interface Don’t forget to add a fun, relevant call-to-action button to your email. 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.