Try different email subject line styles to find what gets the most opens. Keep an eye on your email open rate to analyze and improve performance! Sit up straight. Keep your email subject line short and attention-grabbing. One Mississippi, two Mississippi… 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! “Everything I have designed has a crisp professional look and feel. Love this service” - Cameron Don’t forget to add a short preview description to encourage people to click on your email.