@TeamYouTube Is it just me or are YouTube's playlists (atleast the ones I always use) very laggy? Every new video freezes the YT webpage itself, but Chrome and all works perfectly. It takes a while for any buttons or anything to work. Repeats every new video.
If you haven't yet. Try clearing your browser's cache and cookies. Also, you can use a different device to check if it's still happening. Let us know if it works!