The differences between HTML and HTML5 are:
- Document of HTML is very large as compare to the HTML5.
- Audio and Video tags are not present in HTML whereas HTML5 contains audio and video tags.
- Vector technology is not integral part of HTML whereas HTML5 Vector technology is the integral part of it.
- HTML supported by all old browsers whereas HTML5 is supported by new browser.
- In HTML web sockets are not available whereas in HTML5 Full duplex communication channel is present.