That image I posted in my first post about this is animated. The gears in it rotate while the page is loading. That's nothing you did I'm sure. Probably just part of one of the scripts you use.
I doubt it's the You Tube videos you embedded. If that was the problem, I would just see something like this.
which is just telling me I don't have Flash Player installed.
BTW! That screenshot was taken in Opera.
It could also have something to do with all the ads on that page. I have AdBlock installed so it might just be blocking the whole page.
I wouldn't worry about it if you don't get any comments from others. If I'm the only one having problems it's no big deal. Most likely it's just my browser security settings.