I’m worth the wait 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Don’t make ‘em yawn! Keep your emails exciting and brief. Is anyone even reading this? Keep your email subject line short and attention-grabbing. Boost your email opens with a punchy subject line. We’re very font of you because you’re our type. Test, test, and test again! Make sure your email looks good on all devices before you send it out.