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Subject Lines Matter: 4 Rules of Thumb that Work

“You never get a second chance to make a first impression” is never more apparent than when applied to email marketing. Recipients make split second decisions about whether or not to “open” or “delete” email messages based on nothing more than what they see in the “From” and “Subject” lines. Good subject lines compel the recipient to read the message immediately through trigger words or eye catching copy.
For this report Inbox Marketer decided to test four common rules of thumb and tried to determine if there are other factors that also influence open rates.
Inbox Marketer analyzed a cross-section of North American client data from the business and consumer (B2C) market. A total sample of 5,000 email campaigns were analyzed with a minimum campaign size of more than 100,000 messages. The email campaigns were executed in Q1 2011 and come from a cross section of industries, including retail, manufacturing and services.