Keep your email subject line short and attention-grabbing. My day’s been ok, how’s yours? Want the loading time to be longer so we can spend more time together :) Get creative with emojis in email subject lines to increase open rates! Keep an eye on your email open rate to analyze and improve performance! Let your imagination run wild. We’re very font of you because you’re our type. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails.