HEATKEYS

Pingability is a server and website monitoring and alert service. It monitors your server or website and alerts you when it goes down.

AlertSite is a leading provider of Web performance management solutions that ensure a customer

End-to-end web site monitoring service that performs checks on any web server and alerts via pager, email or cell phone when problems are detected.

Social Media news blog covering cool new websites and social networks: Facebook, Google, Twitter, MySpace and YouTube. The latest web technology news, via RSS daily.

Pingdom web site monitoring and other infrastructure for you and instantly let you know when anything goes wrong. Measure uptime and downtime.

Keynote Systems

Siteuptime provides website monitoring services. Receive instant email notices when your website becomes unavailable and view detailed uptime statistics and performance reports for your website monitors.

VisiStat

The website monitoring service that doesn

Free 15 minute, or paid 1 minute monitoring service - Website monitoring, Server monitoring, Email monitoring, router monitoring by BinaryCanary.com

free web site uptime monitor service - server and network failure alerts ... checking site service, check web page, network failure alert, network failure notification, server failure alert, server failure notification, external website monitoring se...