Previously, Mozilla estimate that Firefox download could reach 1 billion by the end of this week, but in line with the increasing number of downloads, Mozilla correct the statement and estimate that on this Friday may have reached 1 billion. A site that has the support Firefox Download Guesstimator also predicts the number will reach 1 billion this afternoon.

Please note that the 1 billion figures is not the number of Firefox users, but the number of all versions of the Firefox that have been downloaded since 2004. Update on the Mozilla site was counted as one-time download, but the automatically update is in progress will not be counted as one.

The success of reaching 1 billion will increase the number of achievement Firefox successful. Currently, Firefox has nearly one third of the web browser market. According to Statcounter data, Firefox has 30.7 percent. In the first still held by Internet Explorer with 60 percent. Meanwhile, the Google Chrome, Apple Safari, and Opera are still under 5 percent.  Specifically in Europe, the difference between the level of popularity Internet Explorer and Firefox more close again. Firefox successfully reached 40 percent, while 47 percent of Internet Explorer. Unfortunately in Asia Firefox is less popular, only reached 23 percent.

Mozilla has a plan will launched site called onebillionplusyou.com, where users can view the performance of Firefox.