Apple has released Safari 5, the latest version of its browser available for both Macs and Windows-based PCs free of charge.

The company said Safari 5 features the new Safari Reader for reading articles on the web without distraction, a 30 percent performance increase over Safari 4, and the ability to choose Google, Yahoo! or Bing as the search service powering Safari's search field. It also includes improved developer tools and supports more than a dozen new HTML5 technologies that allow web developers to create rich, dynamic websites. With Safari 5, developers can now create secure Safari Extensions to customise and enhance the browsing experience.

Safari Reader makes it easy to read single and multipage articles on the web by presenting them in a new, scrollable view without any additional content or clutter.

When Safari 5 detects an article, users can click on the Reader icon in the smart address field to display the entire article for clear, uninterrupted reading with options to enlarge, print or send via e-mail.

Powered by the Nitro JavaScript engine, Safari 5 on the Mac runs JavaScript 30 percent faster than Safari 4, three percent faster than Chrome 5.0, and over twice as fast as Firefox 3.6, according to Apple. Safari 5 loads new web pages faster using Domain Name System (DNS) pre-fetching, and improves the caching of previously viewed pages to return to them more quickly.

Safari 5 adds more than a dozen powerful HTML5 features that allow web developers to create media-rich experiences, including full screen playback and closed captions for HTML5 video.

The new, free Safari Developer Program allows developers to customise and enhance Safari 5 with extensions based on standard web technologies like HTML5, CSS3 and JavaScript.

The Extension Builder, new in the browser, simplifies the development, installation and packaging of extensions. For enhanced security and stability, Safari Extensions are sandboxed, signed with a digital certificate from Apple and run solely in the browser.

www.apple.com/safari

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