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"The +1 button is about to get a whole lot faster, thanks to an update Google rolled out on Tuesday.\n\"We\u2019ve begun to roll out out a set of changes that will make the button render up to 3x faster on your site,\" software engineer David Byttow said in a blog post. \"No action is required on your part, so just sit back, relax, and watch as the button loads more quickly than before.\"\nIn addition to the speed boost, Google also introduced new code that speeds up the +1 button via an asynchronous code snippet. The code allows a web page to load with the +1 JavaScript code in parallel. The result is another improvement in page load time. The code is available on the +1 configuration page.\nThe +1 button is Google's answer to Facebook's Like Button. Since its launch, it has quickly gained adoption, and one report even claims its more widespread than the Twitter Tweet Button."^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2011/07/26/google-1-button/>