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At the dawn of the commercial Internet, in the mid-1990s, Netscape represented an existential threat to Microsoft. Microsoft, which had not yet been reined in by the U.S. Department of Justice, responded aggressively to the dominance of Netscape Navigator, introducing Internet Explorer 1.0 at the same time as Windows 95 and revising it at a breakneck clip for the next six years.
Netscape could not compete, eventually selling itself to AOL in 1998. By the time XP launched in 2001, IE's market share was in monopoly territory, hovering around 90%.
Windows XP shipped with Internet Explorer 6, which was full of then-revolutionary ideas. This press release from 2001 almost sounds like a parody in retrospect. Seriously, "unparalleled support for industry standards"?
Internet Explorer 6 features a new visual design as well as innovative browser capabilities, including enhanced Explorer Bars, integrated instant messaging, media playback and automatic picture resizing, as well as improved privacy for personal information on the Web and unparalleled support for Internet industry standards. In addition to being easier to customize and deploy, Internet Explorer 6 is a feature-rich platform for building Web-based applications and developing compelling content for users.
And then, with victory assured, Microsoft decided to stop shipping new revisions of Internet Explorer. Part of the blame goes to the all-hands-on-deck focus on security, which stopped development of many Microsoft products as coders were sent for mandatory security training. But whatever the reason, it opened the door for a competitor.
Ironically, that competitor turned out to be built on the old Netscape code base, which had been open-sourced by AOL in 1998. It was originally called Phoenix (risen from the ashes of Netscape, get it?) and by the end of 2004 it had been renamed Firefox and had nearly a 4% share of all browser usage. As Microsoft continued to ignore IE and and security issues with the browser got worse, Firefox became increasingly popular.
Microsoft belatedly resumed development of Internet Explorer, shipping IE7 with Windows Vista in late 2006. A vastly improved IE8 shipped in 2009 with Windows 7. But those releases did little to slow the precipitous decline in market share for IE. Even worse, much of the web developer community had developed a visceral loathing for Microsoft’s browser.
Today, Microsoft has rededicated itself to web standards—this time for real. And its efforts with IE9 have earned grudging respect from some web professionals. But it will never be able to make up the momentum it lost with five years of neglect in the middle of the last decade.
Credit: chart data from Net Applications