Feel free to spin in your chair while you wait Generating witty text... A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Don’t forget to add a short preview description to encourage people to click on your email. Keep your email subject line short and attention-grabbing. Don’t make ‘em yawn! Keep your emails exciting and brief. We’re very font of you because you’re our type. Try different email subject line styles to find what gets the most opens.