Firefox 3.5

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Mozilla Firefox is a free and open source web browser descended from the Mozilla Application Suite and managed by Mozilla Corporation. As of March 2011[update], Firefox is the second most widely used browser with approximately 30% of worldwide usage share of web browsers. The browser has had particular success in Germany and Poland, where it is the most popular browser with 60% usage and 47% respectively.