How to create realtime bitrate graph on web?

I was struggling these days on finding solutions to create a real-time bitrate graph on my website.

The idea is to plot the realtime bitrate of a video which embedded in my website on a graph.

I know VLC or KMPlayer have these kind of functions that allow you to view the realtime bitrate of your video. Something like this: enter image description here

Is there any way I can read the realtime bitrate of a video? Thank you!