Keep an eye on your email open rate to analyze and improve performance! Sit up straight. Try different email subject line styles to find what gets the most opens. I’m worth the wait Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Get creative with emojis in email subject lines to increase open rates! Boost your email opens with a punchy subject line. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails.