Don’t forget to add a short preview description to encourage people to click on your email. I wish I looked as good as you while waiting 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! Keep your email subject line short and attention-grabbing. Boost your email opens with a punchy subject line. Try different email subject line styles to find what gets the most opens. Don’t make ‘em yawn! Keep your emails exciting and brief.