Want the loading time to be longer so we can spend more time together :) Generating witty text... Get creative with emojis in email subject lines to increase open rates! Let your imagination run wild. Don’t forget to add a short preview description to encourage people to click on your email. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. My day’s been ok, how’s yours? Keep your email subject line short and attention-grabbing.