Not just a pretty interface 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! Keep your email subject line short and attention-grabbing. Try different email subject line styles to find what gets the most opens. Don’t forget to add a fun, relevant call-to-action button to your email. We’re very font of you because you’re our type. Sit up straight.