IAB: U.S. search spend grew 19% in 2018, but its share of digital ad spend ticked down, again
Search accounted for 45% of digital advertising revenues in 2018, according to the IAB. Search’s share of U.S. digital advertising revenue has been slowly shrinking over the past few years (it fell below 50% for the first time in 2016). In 2018, search accounted for 45.1% of digital ad revenues, down from 46% in 2017, […]