On recent LGs with WebOS it's quite easy to get that type of information with the native Netflix app.
So if you happen to watch on one of those, just make sure you have that info button[1] on your app or real remote.
When pressed, you get the basic bitrate and resolution information for the video stream: https://twitter.com/mxfh/status/1081721617741430785
[1] https://www.youtube.com/watch?v=XP040UKE69w&feature=youtu.be...