Yes, it is. The lag is odd. The hesitation seems to begin BEFORE the link you've requested even begins to load. It seems as if nothing's happening at all, and then the bar that shows its loading begins to move.
Susie replied that it asked her to sign in. Who even knows what you're supposed to sign in to? The only way to fix it is to leave that IHub page, and then return to it, and click on "watch at YouTube".