Freezing or slowing down of views is a normal part of how YouTube validates video views: https://goo.gl/S7DIry . Also, there are no related technical issues for sub counts. It's likely folks subscribing & unsubscribing naturally: https://goo.gl/6B1Eb6 . Hope this helps clarify.
-
-
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.