To find what campaigns bring in the best ROI, O’Keefe suggests that marketers test as many aspects of their campaign as possible, including frequency, number of pages and types of mail they’re sending. He also suggests that marketers get a baseline of their efforts, then test their campaign by holding off on sending mail to certain segments of customers. This can help marketers understand the true value of that segment. O’Keefe says that many marketers get nervous about losing touch with a potentially important customer group, but he believes holding off is one of the best ways to get statistically significant data on the ROI of direct mail.
Online advertisers can collect data on their ads' effectiveness, such as the size of the potential audience or actual audience response,:119 how a visitor reached their advertisement, whether the advertisement resulted in a sale, and whether an ad actually loaded within a visitor's view.:59 This helps online advertisers improve their ad campaigns over time.
Hey Jonathan , enjoyed the article but it’s far fetched for startups and beginners like me who came here to see how in the first place we bring people to our website and not how we engage them or get email out of people who are already there.. getting people on your website is a bigger challenge, love your knowledge about the field is there an article which will help solve this?