The Droid smartphone is already posting rapid gains in mobile Web traffic as it becomes an integral part of a larger Android blitz, despite having only been on sale for a week, according to one Web analytics firm.

Verizon, in partnership with Google and Motorola, last Friday launched the high-end handset juiced up by Android 2.0 against the backdrop of an escalating ad campaign taking on rivals AT&T and Apple's iPhone.

While it's too soon to tell if the Droid will deliver on the hype surrounding the release -- Motorola is expected to sell about 1.2 million Droids in the fourth quarter, according to Pacific Crest Securities data -- it appears Droid owners are highly engaged in mobile Web surfing, according to Clicky, a Web analytics company.

The Droid accounted for nearly 1.5 percent of mobile Internet traffic in the U.S. -- about one quarter of all Android mobile usage -- on Nov. 11, five days after the Droid launch, according to Clicky. This should be good news for developers, as the mobile analytics firm Flurry recently highlighted a surge in Android apps.

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