A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Keep an eye on your email open rate to analyze and improve performance! Get creative with emojis in email subject lines to increase open rates! Keep your email subject line short and attention-grabbing. Want the loading time to be longer so we can spend more time together :) Opening the door to unlimited creativity… Is anyone even reading this? Boost your email opens with a punchy subject line.