Why Are Html Frames Bad

are not easily searchable (likely to see the content in Google, etc.); break on browsers like Lynx, that are console/terminal based; difficult to size properly (e.g. consuming height on widescreen monitors for banner frames); can break with screen readers and magnifiers (for blind users and visual impaired users);

What happened to HTML frames?

Frames have been deemed obsolete by the W3C in HTML5. The reasoning given for this is that frames create usability and accessibility issues.

Is frameset deprecated in HTML?

Attributes of frame Frames are deprecated in HTML5.