Check Streaming quality on Youtube, on your telco(Mobile Device)

My friend told me about the this link from youtube able to check your location if able to smooth streaming in HD or not. I was very worried to simply press links. But he showed me. Really works!! Now i can know in which area can i watch youtube. Hehehe

Here is the link : http://www.youtube.com/videocheckup/

Share screenshot so we able to know if we are going to that area.