One Mississippi, two Mississippi… Don’t forget to add a fun, relevant call-to-action button to your email. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Keep your email subject line short and attention-grabbing. Test, test, and test again! Make sure your email looks good on all devices before you send it out. Boost your email opens with a punchy subject line. Try different email subject line styles to find what gets the most opens. We’re very font of you because you’re our type.