Fortune:

When measured against other smartphone/tablet operating systems, Apple’s (AAPL) iOS accounts for more than half of the visits to its clients’ 40,000 websites around the world. In fact,the 54.65% share that Net Applications recorded for iOS devices in September is an all-time record.

Although the overall global marketshare of Android phones is closing in on 50 percent, it seems that many users don’t use their Android phones to surf the Web. RIM is in the dust, garnering less than 4 percent share.