Don’t forget to add a short preview description to encourage people to click on your email. I’m worth the wait Boost your email opens with a punchy subject line. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Don’t make ‘em yawn! Keep your emails exciting and brief. My day’s been ok, how’s yours? Keep your email subject line short and attention-grabbing. Get creative with emojis in email subject lines to increase open rates!