6 Ways that Subject Line Writing Has Changed

Have your subject line writing strategies and tactics kept up with the times? Check and see if you're accounting for these six changes in subject line writing, going from the oldest to the newest trend: Everyone knows that subject lines are super important. That's why they're the most tested email element. However, preview text is also really important, since it's the third piece of envelope content, along with the sender name and subject line. But it gets far less attention and is less than half as likely as subject lines to be regularly A/B tested.