Slow, Buffering, Stuttering Udemy Video

Udemy video has been completely unusable from my home broadband connection. Videos would take minutes to start playing and then continuously stutter and buffer.

Searching for a solution I came across this Reddit post - and I found the solution was to change my DNS to use CloudFlare (1.1.1.1).

After changing my AppleTV from automatic DNS to manual and using 1.1.1.1 video playback from the Udemy app has been as you would expect. I don't know why this helps, but it seems to have so far.

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