html - tag - How can I embed the new GIFV format on my webpage?

mp4 in img tag (1)

Normally I would embed a gif like so.

<img src="">

Although I get an error that the image could not be loaded.

I'm just wondering what mark up I will need to use so that I can display the GIFV.

GIFV is created by imgur and more information can be found here.

I just checked that demo site. It seems that they just convert the video to a webm video (in case of Firefox). Check this file here which comes from the demo:

So I would say you could also just use the <video> tag to embedd those "gif" files. I just guess that use a feature detection and a video converting logic. No idea what this nonsense should be for.