FirefoxMozilla's open-source browser — championed web standards and challenged Internet Explorer's dominance. 1.5 refined the browser that had broken IEInternet Explorer — Microsoft's browser that dominated the web in the 1990s and 2000s.'s monopoly: incremental speed gains, better RSSReally Simple Syndication — a feed format for subscribing to website and blog updates. integration, and smoother tab dragging kept users from returning to Internet ExplorerMicrosoft's long-running web browser — bundled with Windows for decades before Edge replaced it.. It maintained MozillaThe organization behind Firefox — advocates open web standards and internet privacy.'s momentum through the mid-2000s browser wars.

FirefoxMozilla's open-source browser — championed web standards and challenged Internet Explorer's dominance. 1.5 sustained the post-1.0 growth that made MozillaThe organization behind Firefox — advocates open web standards and internet privacy. a permanent browser player.

Performance and UX polish proved FirefoxMozilla's open-source browser — championed web standards and challenged Internet Explorer's dominance. was not a one-release wonder.