Safari 's share is increasing faster than the iPhone 's , probably due to how much mobile traffic is now driven by iPads . Google 's hold on 50 % of mobile traffic has reduced IE 's overall share . Microsoft Windows 's overall share ( 49.6 % ) reflects mobile usage . As of 2017 , Firefox is the second most popular web browser .
Google 's hold on 50 % of mobile traffic has reduced IE 's overall share . Microsoft Windows 's overall share ( 49.6 % ) reflects mobile usage . As of 2017 , Firefox is the second most popular web browser .