Don’t forget to add a fun, relevant call-to-action button to your email. I wish I looked as good as you while waiting Get creative with emojis in email subject lines to increase open rates! Generating witty text... Keep an eye on your email open rate to analyze and improve performance! [insert fun loading text here] Test, test, and test again! Make sure your email looks good on all devices before you send it out. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails.