According to a Q4 2014 report from Akamai: - Chrome usage increased and nearly caught up to Webkit by the end of Q4 2014, narrowing an 18.5 percentage point gap. - Safari maintained a lead over Android Webkit for both cellular and all network connections, though the gaps narrowed slightly over the quarter. - iOS accounted for roughly 48% of total network requests while Android accounted for about 40% across Q4 2014.