Apple today (June 12) announced that over 11 million copies of Safari 4 have been downloaded in the first three days of its release, including more than six million downloads of Safari for Windows.

Safari 4 is a browser and is built on technologies including Nitro JavaScript engine. It includes HTML 5 support for offline technologies and support for advanced CSS Effects. It’s claimed to be the first browser to pass the Web Standards Project’s Acid3 test, which examines how well a browser adheres to CSS, JavaScript, XML, and SVG standards that are designed for dynamic web applications.

Among other features, Safari 4 includes Top Sites, for visual preview of frequently visited and favorite pages; Full History Search, to search through titles, web addresses, and the complete text of recently viewed pages; and Cover Flow, to easily flip through web history or bookmarks. 

Other features include Smart Address Fields for automatically completing web addresses from a list of suggestions; Search Fields, to fine tune searches with recommendations from Google Suggest or a list of recent searches; and Full Page Zoom, for a closer look at any website.

In Mac OS X Snow Leopard, available later this year, Safari runs as a 64-bit application, boosting the performance of the Nitro JavaScript engine by up to 50%, says Apple. The company also says Snow Leopard makes Safari more resistant to crashes by running plug-ins in a separate process, so even if a plug-in crashes, Safari continues to run and the user simply has to reload the affected page. 

Safari running on Snow Leopard also delivers HTTP streaming, making it easy to deliver audio and video in industry standard formats from any web server without the need for browser plug-ins, says Apple.

Safari 4 is available for both Mac OS X and Windows as a free download at

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About Rakesh Raman

Have extensive editorial, content management, and integrated communications experience and have worked as a senior tech journalist, analyst, and columnist with different newspapers, magazines, and Web/online properties in India.

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