Covario reports overall pay-per-click (PPC) spend accelerated, rising 22 percent from Q1 and 23 percent year-over-year.
Mobile PPC spending outpaced overall growth, increasing 39 percent from Q1 and 132 percent year-over-year. Mobile accounted for 16 percent of global search spend. Smartphones claimed 40 percent of the mobile spend allocations, tablets 60 percent.
Smartphone CPCs remained 40% lower than desktop CPCs, but have been rising nearly each of the past five quarters, the exception being Q4 2012. Interestingly, Covario saw tablet CPCs decline below desktop for the first time in several quarters, coming in 12% below desktop CPCs.