I am watching the network tab continually request from https://r3---sn-n4v7sney.googlevideo.com/videoplayback https://r3---sn-n4v7sney.googlevideo.com/videoplay

I am watching the network tab continually request from https://r3---sn-n4v7sney.googlevideo.com/videoplayback https://r3---sn-n4v7sney.googlevideo.com/videoplayback and succeed each time. There is hardly any buffer, it's all loading successfully in real time.