Frames and Framesets

HTML frames and framesets divided browser windows into multiple independent sections, each displaying separate HTML documents that could be updated independently. Frames allowed complex layouts with persistent navigation menus and content areas, but created significant usability and accessibility problems that led to their eventual deprecation.

Why Frames and Framesets Matters

Frames represented early attempts to create application-like interfaces within web browsers, prefiguring modern single-page applications and dynamic content loading techniques. The widespread use and ultimate failure of frames taught important lessons about web navigation, bookmarking, and accessibility that influenced modern web architecture and responsive design principles.