Firefox Logo — Mozilla Firefox is a web browser free and open source descendant of Mozilla Application Suite and developed by the Mozilla Foundation . With over 450 million users, is the second most used Internet browser. It has a market share is approximately between 20% and 26% by the end of December 2011, depending on the source of global measurement, with particular success in Europe , especially Germany andPoland where it is most popular with approximately 51% and 45% used, respectively.
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To display web pages uses the rendering engine Gecko , which implements web standards current and other functions designed to anticipate likely additions to the standards. More