Get creative with emojis in email subject lines to increase open rates! [insert fun loading text here] Want the loading time to be longer so we can spend more time together :) Don’t forget to add a short preview description to encourage people to click on your email. We’re very font of you because you’re our type. One Mississippi, two Mississippi… Fighting off robots… A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails.