HTML5 will be the new standard for HTML.
The previous version of HTML, HTML 4.01, came in 1999. The internet has changed significantly since then.
HTML5 is intended to subsume not only HTML 4, but also XHTML 1 and DOM Level 2 HTML.
HTML5 is designed to deliver almost everything you want to do online
without requiring additional plugins. It does
everything from animation to apps, music to movies, and can also be used to
build complicated applications that run in your browser.
HTML5 is also cross-platform (it does not care whether
you are using a tablet or a smartphone, a netbook, notebook or a
HTML5 can also be used to write web applications that still work when you are not
The HTML 5 working group includes AOL, Apple, Google, IBM, Microsoft, Mozilla, Nokia, Opera, and hundreds
of other vendors.
HTML5 is still a work in progress. However, all major browsers support many
of the new HTML5 elements and APIs.
<video width="320" height="240" controls>
<source src="movie.mp4" type="video/mp4">
<source src="movie.ogg" type="video/ogg">
Your browser does not support the video tag.