The result of the Acid3 test on Firefox 17.įirefox implements many web standards, including HTML4 (partial HTML5), XML, XHTML, MathML, SVG 1.1 (partial), CSS (with extensions), ECMAScript ( JavaScript), DOM, XSLT, XPath, and APNG (Animated PNG) images with alpha transparency. The nightly build was only available to those running the 64-bit RTM release of Windows 8.

On October 4, 2012, Mozilla released a preview of the Metro interface version of Firefox, included in the Nightly 18 build, to be used in Windows 8. The Firefox project went through many versions before version 1.0 was released on November 9, 2004. Mozilla prefers that Firefox be abbreviated as Fx or fx, though it is often abbreviated as FF. After further pressure from the database server's development community, on February 9, 2004, Mozilla Firebird became Mozilla Firefox, often referred to as simply Firefox. In response, the Mozilla Foundation stated that the browser should always bear the name Mozilla Firebird to avoid confusion with the database software.

The replacement name, Firebird, provoked an intense response from the Firebird free database software project. Originally titled Phoenix, it was renamed because of trademark problems with Phoenix Technologies.

The Firefox project has undergone several name changes. The browser has had particular success in Indonesia, Germany, Poland and Estonia, where it is the most popular browser with 65%, 47% 47% and 35% of the market share, respectively. According to Mozilla, Firefox counts over 450 million users around the world. Īs of October 2012, Firefox has approximately 20% to 24% of worldwide usage share of web browsers, making it the third most used web browser, according to different sources.

Firefox uses the Gecko layout engine to render web pages, which implements current and anticipated web standards. Mozilla Firefox is a free and open source web browser developed for Windows, OS X, Linux, and Android by Mozilla Foundation and its subsidiary, the Mozilla Corporation.

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