Want the loading time to be longer so we can spend more time together :) Not just a pretty interface Test, test, and test again! Make sure your email looks good on all devices before you send it out. Let your imagination run wild. Keep your email subject line short and attention-grabbing. Try different email subject line styles to find what gets the most opens. Don’t forget to add a short preview description to encourage people to click on your email. Boost your email opens with a punchy subject line.