Arguably the best user experience in some ways- relative to other browsers at the time it "felt fast". Partly because it used native widgets instead of XUL like

Arguably the best user experience in some ways- relative to other browsers at the time it "felt fast". Partly because it used native widgets instead of XUL like Mozilla, and also probably because various parts of it probably were loaded when Windows booted up. But it was pretty bad in other ways: security, stability, etc.