Feel free to spin in your chair while you wait Keep your email subject line short and attention-grabbing. [insert fun loading text here] Sit up straight. Keep an eye on your email open rate to analyze and improve performance! Don’t forget to add a fun, relevant call-to-action button to your email. Want the loading time to be longer so we can spend more time together :) A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails.