Question Weird screen during yt videos

[Lox90]

This sometimes happens when i watch a youtube video. Any idea why is it happening?
Doesn't happen always in every single video i watch, Just randomly.

https://imgur.com/6UMjOqk

View: https://imgur.com/6UMjOqk

 

[rgd1101]

the same video or just random?
could be gpu issue

 

[Lox90]

Happened in couple of videos. Not every video, not every day.