open rate

Open Rate Optimization: Always Be Testing!

We’ve reached the final blog in our series of Open Rate Optimization. With over 1.9 billion non-SPAM emails being sent every day, your subject lines is what stands between your email being opened or trashed. It is your first (and perhaps only) chance to make an impression and improve your open rates. So how do you nail down killer subject lines? By A/B testing your way to creating captivating openers.