Firefox Launch Slows Mozilla Site

The large volume of users seeking to download version 1.0 of the Firefox web browser has caused intermittent performance problems today for the Mozilla Foundation. web site performance The site has had some availability problems, but by 8 p.m. GMT the site was able to easily serve downloads of the 4.7 megabyte Firefox installation file for broadband users. A dynamically updating chart of the site’s performance is available here.

Within hours of the browser’s official release, the Mozilla site was slowing and Firefox enthusiasts were making use of the Google cache of download mirror sites. The list was also posted to Slashdot to help ease the traffic burden on the site, which is hosted by

The open source Firefox browser is available for Windows, Mac OS X and Linux as a free download from, and is available in over a dozen languages. Approximately 8 million copies of the browser were downloaded during its preview phase.

"We are delighted to be announcing this major milestone for the Mozilla Foundation and for the Firefox browser, which has been made possible thanks to the tireless effort of hundreds of community volunteers and developers around the world," commented Mitchell Baker, president of the Mozilla Foundation. "Now millions more will be able to enjoy a better web experience."