difference between html4 and html5

Answer 1

The list is quite long. Google "New HTML5 tags". There are also some old HTML tags which have been removed and are not supported in HTML5.

Answer 2

Html 4 - Its for old browsers and for Symbian devices that does not support online videos and audios!
Html 5 - for browsers like chrome, fire Fox and so on. You can view videos and audios but you cannot code with html 5 to get pictures! only html 4 and html can do that!