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Does YouTube precache Popular videos? (programming.dev)
submitted 7 months ago by to c/asklemmy@lemmy.world
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I notice that when watching videos not from the 10ish vids recommended to me, the video buffers alot, even on a 10 sec short.

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[–] 17 points 7 months ago

Many ISPs run a Google cache server which caches a lot of Google-specific data local to your internet provider. This would mean that there's a much shorter path between your home connection and the cached data, but non-cached data would be retrieved externally. I wouldn't be surprised if popular YouTube videos are part of this. Here's some more info: https://support.google.com/interconnect/answer/9058809?hl=en

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    [–] 2 points 7 months ago

    I know netflix does, I would assume that youtube does the same.

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