A/B testing is a cornerstone of digital marketing. It’s the way to ensure your ads, posts and emails are just right for each audience you’re targeting. With quality testing, you’ll raise open rates, lower unsubscribes and see a greater overall ROI. But while testing is necessary for such success, the process can often be long and laborious. That’s why we’ve done the testing for you. View more than 50 examples of winning email elements, from responsive design to unique creative to copy to CTA placement, and take home practical tips you can apply to your campaigns right away.