Feel free to spin in your chair while you wait Keep an eye on your email open rate to analyze and improve performance! Keep your email subject line short and attention-grabbing. One Mississippi, two Mississippi… Not just a pretty interface Don’t forget to add a short preview description to encourage people to click on your email. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Don’t make ‘em yawn! Keep your emails exciting and brief.