Site Up Time Overview
They provide all of the standard tools that the other monitoring companies provide and some really nice ones when you get to the top level account packages. SiteUpTime currently has over 70,000 websites monitored and is based out of Sacramento California.
They provide 3 plans
Free Plan which monitors one site for you at 30 and 60 minute intervals and most of the nicer features are cut out.
Premium Plan which is currently$5/month and will monitor 3 sites at 5 or 15 minute intervals at this level you get most of the standard nice to have features. Such as ping monitoring, Error Details, Multiple contact alerts, and DNS monitoring,
Advanced Plan which is currently $10/month which monitors 6 sites at 5 or 15 minute intervals all of the features of the premium plans plus some really cool stuff. Such as Blackout Schedules, Custom Ports, and a public status page.