A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Generating witty text... Want the loading time to be longer so we can spend more time together :) Keep your email subject line short and attention-grabbing. Get creative with emojis in email subject lines to increase open rates! 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Boost your email opens with a punchy subject line. I’m worth the wait