Craig Stouffer of Pinpoint, an e-mail service, says subject lines that are 40 to 50 characters generate approximately twice the click-through rates of subject lines 70 to 80 characters in length.
Tom's Blog on Life and Livingness
Craig Stouffer of Pinpoint, an e-mail service, says subject lines that are 40 to 50 characters generate approximately twice the click-through rates of subject lines 70 to 80 characters in length.