Get creative with emojis in email subject lines to increase open rates! 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Not just a pretty interface Join 4 million members in making awesome marketing content. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. We’re very font of you because you’re our type. Want the loading time to be longer so we can spend more time together :) Boost your email opens with a punchy subject line.