About This Service

CheckSite.us is a simple service that allows a user to check to see if a site is actually down, or if it is just the user's machine or network. If you are experiencing problems accessing a specific website, simply enter the website's URL in the form above, and CheckSite.us will attempt to access the URL provided and report back on whether it was able to access the website or not.

Unlike other similar services, our service allows you to enter a domain (i.e. checksite.us), a full length URL (i.e. checksite.us/test.htm), or a domain with a specific port (i.e. checksite.us:555). We also allow IP addresses to be used in place of a domain name (i.e.

For websites that we cannot access, we'll continue trying the website every 15 minutes for up to 3 days. If we are successful at accessing the website, we'll send you an e-mail. We also offer SMS Notifications (still in beta. Standard text message rates apply).

NEW!: You can now be notified through your Twitter account. Just enter your Twitter handle and we'll let you know when we can access the site.