I-Spy is an easy to use website watcher.

It can periodorically check websites for any page changes or for any
keywords that you choose and then notify you in any way you see fit.

I-Spy allows any number of sites to be watched and any number
of different notification methods, ranging from opening the site in
a browser, playing a sound to sending an email.

I-Spy keywords: monitor, status, web, check, verify, notify, connection