November 9, 2004
Firefox 1.0 released
The MozillaThe organization behind Firefox — advocates open web standards and internet privacy. Foundation shipped FirefoxMozilla's open-source browser — championed web standards and challenged Internet Explorer's dominance. 1.0 on November 9, 2004 — a fast, tabbed, extension-friendly browser that broke Internet ExplorerMicrosoft's long-running web browser — bundled with Windows for decades before Edge replaced it.'s monopoly.
What it was for
FirefoxMozilla's open-source browser — championed web standards and challenged Internet Explorer's dominance. grew from the Phoenix/Firebird project as the lean alternative to the bloated MozillaThe organization behind Firefox — advocates open web standards and internet privacy. Suite. Extensions (Adblock, Greasemonkey), tabbed browsing, and aggressive standards support made it the browser developers recommended — and proved the web did not have to be IEInternet Explorer — Microsoft's browser that dominated the web in the 1990s and 2000s.-only.
Companies
- Mozilla
Why it's here
FirefoxMozilla's open-source browser — championed web standards and challenged Internet Explorer's dominance. 1.0 was the first credible open-source challenger to IEInternet Explorer — Microsoft's browser that dominated the web in the 1990s and 2000s.'s market dominance.
Why it mattered
It revived competition, pushed web standards, and inspired the extension ecosystem.
What it solved
Users and developers were stuck on IEInternet Explorer — Microsoft's browser that dominated the web in the 1990s and 2000s. 6 with no secure, modern alternative backed by a major open project.
Media
ImageFirefox ExtensionsPentadact, CC BY-SA 2.0, via flickr
Related
- Mozilla source code open-sourcedMarch 31, 1998
- Internet Explorer 6.0 releasedAugust 27, 2001
- Google Chrome beta releasedSeptember 2, 2008