"I was told that these are from large comprehensive PPC campaigns from industry leaders," he says. "I don't think this can really be used as representative data for the Avg CTR for each of these industries. But, it's interesting data anyway."
Indeed. For example, average CTRs for the banking/savings vertical came in at 8%, while it was almost 5.7% for apparel manufacturers. In contrast, BtoB tech marketers only saw average click-throughs of 2.8%, and for auto sites, it was just 1.7%.