Down For Everyone Or Just Me? will tell you if a site that you're trying to visit is down or not. To use the site just enter the name of a site into the search tool on Down For Everyone Or Just Me? and you will quickly get a yes or no answer.
Applications for Education
The next time you try a site in your classroom and the kids say to you, "it's not working" put the site's address into Down For Everyone Or Just Me? to see if the problem lies with the site or with your school's filters.