This A/B test indicates that engagement is one problem, but your subject lines are an even bigger problem—and one you can solve right away. CTR rates are understandably lower among the less-engaged group, but you saw engagement increase with a punchier subject line, so there is room to improve CTR among cold leads. CTR rates are higher in the more engaged group, but with a better subject line, this rate could go through the roof.
Email marketing can be tough at times -- I'm right there with you. But by sending compelling offers to the right target segments and paying attention to the little details that go into an email, you can increase the opens clicks in your emails and generate more leads. (And learn more about which email marketing metrics to track -- and how -- here.)
Essentially, a customer has greater ‘lifetime value' the more that they interact with their brand. Some actions (purchases, for example) have higher ‘value' than others, but all engagements add to a customer's LTV. Evaluating CLTV will help you to identify existing high-value customers and potential high-value prospects moving forward. This, in turn, will enable you to refine your message and target it where the true value lies.
Alternatively, at least, an eye-catching design. It’s worth letting a proper designer have a go at prettifying your emails. Customers are often opening emails on the go, so you need to work hard to grab their attention. Making your emails nice to look at is a brilliant way to hold their eye. Netflix put time and effort into making their emails stand out, personally and visually – and it pays off for them!