Why is video not playing in IE9 via tag?

Question

HTML

Subject.
The code is like this:

<video id="video_bg" width="100%" autoplay="true" loop="loop" preload="auto">
    <source src="video/MANGO_FON-WEB-3_2015-09-02.mp4" type='video/mp4'>
    <source src="video/MANGO_FON-WEB-3_2015-09-02.webm" type='video/webm'>
    <source src="video/MANGO_FON-WEB-3_2015-09-02.ogv" type='video/ogg'>
</video>

Answer 1

Try to find out why
blogs.msdn.com/b/thebeebs/archive/2011/07/20/html5...

Answer 2

Not sure if IE9 supports nested sorts. videoTry to add next to the tagsrc="video/MANGO_FON-WEB-3_2015-09-02.mp4"