List of obsolete Elements

The following elements are not in HTML because their effect is purely presentational and their function is better handled by CSS: <basefont> <big> <center> <font> <strike <tt> The following elements are not in HTML because using them damages usability and accessibility: <frame> <frameset> <noframes> The following elements are not included because they have not been used often, created confusion, or their function can be handled by other elements: <acronym> <applet> <isindex> <dir>