A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Is anyone even reading this? Time to get that bread. Boost your email opens with a punchy subject line. Don’t make ‘em yawn! Keep your emails exciting and brief. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! I’m worth the wait Keep your email subject line short and attention-grabbing.