ObservePoint is the best URL monitoring system available. Able to monitor any server or website, with pricing plans available to meet any network budget. It supported HTTP and HTTPS URL types and Configurable instant alerts that email you when your site is up, down, or at a warning state.
Yoorl service provides a way to monitor the spread of links to web resources, and their popularity, in real time. This is done independently of the web resource, its contents, and the means by which the link to that resource is shared (IM, forums, email, air mail)
