I wish I looked as good as you while waiting Time to get that bread. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Let your imagination run wild. Get creative with emojis in email subject lines to increase open rates! Try different email subject line styles to find what gets the most opens. Keep an eye on your email open rate to analyze and improve performance! Keep your email subject line short and attention-grabbing.