Tracking the health of a website. Various website monitors are available that determine if the site is down and alert the subscriber, if so. Other website monitors look for malware as well as errors that might occur when retrieving a Web page. See website management
and Internet monitoring
R-U-ON Website Monitoring
R-U-ON monitors sites 24/7, and the service detects the following: #1-Site down. #2-IP address not found. #3-Timeout (no retrieval in 60 seconds). #4-Invalid URL. #5- Retrieval exceeded set threshold.
GoDaddy's Website Security Essentials
GoDaddy offers website monitoring, and these are some of the status reports on the customer's control panel.