A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Keep your email subject line short and attention-grabbing. Time to get that bread. Get creative with emojis in email subject lines to increase open rates! Don’t forget to add a fun, relevant call-to-action button to your email. Generating witty text... Let your imagination run wild. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email!