I wish I looked as good as you while waiting Keep an eye on your email open rate to analyze and improve performance! One Mississippi, two Mississippi… Don’t forget to add a fun, relevant call-to-action button to your email. My day’s been ok, how’s yours? Boost your email opens with a punchy subject line. 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.