Android has significantly closed the gap with Apple in web traffic in the US, Quantcast said on Friday. Use of Google’s mobile OS has climbed 17 percent from the start of the year until August, giving it exactly a quarter of traffic. Apple’s iOS, meanwhile, has lost 11 percent over the same eight months and has a narrower lead at 56 percent.

RIM’s historically poor web browsing experience has kept it mostly flat, at nine percent.

The share has been helped by a string of successful Android phone launches first instigated by the original Motorola Droid last November. Since then, Verizon More >