Boost your email opens with a punchy subject line. I wish I looked as good as you while waiting Test, test, and test again! Make sure your email looks good on all devices before you send it out. Don’t forget to add a fun, relevant call-to-action button to your email. Keep your email subject line short and attention-grabbing. Not just a pretty interface My day’s been ok, how’s yours? A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails.