YouTube videos on Chrome are slow to start

I am using Ubuntu 20.04.

I just started to have a strange problem, every time I play a youtube video it has like 10 seconds of the loading screen (where the loading animation plays) and then it starts playing the video. On firefox youtube works fine, no delay in starting the video, so I don't think there is an internet problem. Also, on Chrome, Twitch or any other streaming websites work fine.

Something else that I have noticed is that if I wait for some time, the videos start playing normally (so no more delay at the beginning), but when I restart the browser the problem just reapers.

I have reinstalled the browser but no luck.

Any ideas?

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