Try different email subject line styles to find what gets the most opens. Don’t forget to add a fun, relevant call-to-action button to your email. We’re very font of you because you’re our type. Boost your email opens with a punchy subject line. Get creative with emojis in email subject lines to increase open rates! Want the loading time to be longer so we can spend more time together :) Is anyone even reading this? A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails.