Don’t forget to add a fun, relevant call-to-action button to your email. I’m worth the wait Keep your email subject line short and attention-grabbing. Don’t forget to add a short preview description to encourage people to click on your email. Don’t make ‘em yawn! Keep your emails exciting and brief. Get creative with emojis in email subject lines to increase open rates! Keep an eye on your email open rate to analyze and improve performance! Try different email subject line styles to find what gets the most opens.