noun
browser war
Refers to the historical competition for dominance in web browser usage share, especially between Internet Explorer and Netscape Navigator in the 1990s, and later between other browsers.
1990年代のブラウザ戦争は、マイクロソフトとネットスケープの間で繰り広げられた。
The browser war of the 1990s was fought between Microsoft and Netscape.