If you're an admin you would want to know that your website is down fast. SiteMonitor can help you do this directly from your wp8 device.
SiteMonitor | Windows Phone 8 App
Includes Live Tile and it's Free
Windows Phone Store Direct Link:
SiteMonitor | Windows Phone Apps+Games Store (United States)
SiteMonitor | Windows Phone 8 App
Includes Live Tile and it's Free
Windows Phone Store Direct Link:
SiteMonitor | Windows Phone Apps+Games Store (United States)