If you’re not already segmenting, this is a great place to start. CPC is a strategy-based customer segmentation tool focused on profile descriptor fields. For B2C retailers, this would include age, sex and geography. For B2B companies, this will consist of the size of the company, job role and the industry sector or application they operate in. This example shows a female and male creative with the products that are included in the content changing based on the gender.
When it comes to deciding how to craft that perfect subject line, there appears to be really only one area to avoid: the subject line of 60 to 70 characters. Marketers refer to this as the “dead zone” of subject length. According to research by Adestra, which tracked over 900 million emails for its report, there is no increase in either open rate or clickthroughs at this 60-to-70 character length of subject line.