Don’t forget to add a fun, relevant call-to-action button to your email. Keep your email subject line short and attention-grabbing. Sikuthanda kakhulu ngoba ungowohlobo lwethu. Try different email subject line styles to find what gets the most opens. Sit up straight. Want the loading time to be longer so we can spend more time together :) 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails.