Keep your email subject line short and attention-grabbing. Time to get that bread. 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. We’re very font of you because you’re our type. Opening the door to unlimited creativity… Get creative with emojis in email subject lines to increase open rates! Try different email subject line styles to find what gets the most opens.