Frames also broke the back button when they were first introduced! Together with the other early problems - ugly borders, proliferation of scrollbars, and limi

Frames also broke the back button when they were first introduced! Together with the other early problems - ugly borders, proliferation of scrollbars, and limited browser compatibility - it meant that frames were seen as a usability disaster right from the start. They never managed to fully shake that reputation even as browsers improved in the later 90s.