According to data from Hitwise Mobile today,Google had the top mobile site overall in the US. It also had four more in the top 10: Gmail, News, YouTube and Maps.
'The data in the charts above are drawn from both smartphones and tablets. As mentioned, the data essentially don’t include mobile apps.
However, as comScore and Nielsen have both pointed out, the overwhelming majority of time on mobile is spent in apps. Consequently, the data above are not entirely reflective of the entire population of mobile users.
Hitwise Mobile service offers insights traffic and related data about mobile user behavior in 170 categories and for 4 million mobile sites on a global basis.Currently, Hitwise doesn’t break out the data by operating system.