Ten years later, Windows XP still dominates the Web

And in the Apple market, Lion is still trailing two-year-old Snow Leopard

Data: NetApplications. Graph: PED

In its final monthly report for 2011, NetApplications offers a window on the shifting fates of the various flavors of Microsoft (MSFT) Windows and Mac OS X that show up at its 40,000 clients' websites.

As a rule, creaky old legacy systems dominate.

Windows XP, which Microsoft introduced in August 2001, is still the single most-present PC operating system, with a 46.5% share of global Web traffic.

And Mac OS X 10.6 (Snow Leopard), which Apple (AAPL) launched in Aug. 2009, still has a 3.1% market share to Lion's 2.0%

But despite the persistence of aging OSs, there was a lot of rapid movement in 2011. Lion's Web presence went from 0% to 2% in just over two months. And Windows 7, for its part, went from 21.7% to 37% in the space of a year, a 71% increase.

It was not a good year for Vista or "Other," however. Both experienced significant share drops in 2011.

For a summary of NetApplications methodology, see here.

Posted in: Apple, Lion, Mac OS X, Mac OS X Snow Leopard, Microsoft, Microsoft Windows, NetApplications, PCs, Windows 7, Windows XP

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  Philip Elmer-DeWitt - Jul 20, 2011 8:50 AM ET
  Posted in: Apple, Apple Store, Lion, Mac App Store, Mac OS, Mac OSX Lion, MacBook Air, Macs, PCs

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  Philip Elmer-DeWitt - Jul 8, 2011 12:25 PM ET
  Posted in: Apple, Hypercritical, iBank, Intel, Intuit, John Siracusa, Lion, Mac OS, Macintosh, Mint, PCs, PowerPC, Quicken, Quicken Essentials, Snow Leopard, software, Windows 3.0

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  Philip Elmer-DeWitt - Jun 6, 2011 8:56 PM ET
  Posted in: Apple, iCloud, iOS, iPhone, iTunes, Lion, Mac, MobileMe, Moscone Center, Moscone West, OS X, Steve Jobs, Twitter

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  If you want live blogging from reporters who actually traveled to Apple's (AAPL) Cupertino campus for today's event, there are plenty of sites to choose from, including Macrumors, MacDailyNews, TUAW, All Things Digital, Engadget, Gizmodo and ArsTechnica.

  We're content to watch it from home. You're welcome to watch it with us. Click here. If you MORE

  Philip Elmer-DeWitt - Oct 20, 2010 12:44 PM ET
  Posted in: Apple, Lion, MacBook Air, Macintosh, OS X