Is anyone even reading this? Don’t forget to add a fun, relevant call-to-action button to your email. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Don’t forget to add a short preview description to encourage people to click on your email. Try different email subject line styles to find what gets the most opens. Keep your email subject line short and attention-grabbing. Boost your email opens with a punchy subject line. Don’t make ‘em yawn! Keep your emails exciting and brief.