Web Site Down: You, Or The Web Site?

FWIW; I haven't really been able to test it yet, but was just turned on to this downforeveryoneorjustme web site that checks web sites you can't get to to see if the problem is on your end. I know I've had problems with such things before but I'm not having any problems now.

Hat tip to Tom Knapp at the Rational Review News for the tip.