As you Know that html5 has been arrived a new and better from old where new tags are added on the other hand some old html 4.01 are being removed from the new html5 which are listed below
The following HTML 4.01 elements are removed from HTML 5:
- <acronym>
- <applet>
- <basefont>
- <big>
- <center>
- <dir>
- <font>
- <frame>
- <frameset>
- <noframes>
- <strike>
- <tt>