Nagios provides complete monitoring of websites, web applications, web transactions, and web services, including availability, URL monitoring, HTTP status, content monitoring, hijack detection, and more.
Implementing effective website monitoring with Nagios offers the following benefits:
Increased website and web application availability
Increased website performance
Fast detection of outages, website defacement, and website hijacking
Capacity planning information for future web server and application upgrades
The following Video Guide and Documentation cover the basics of Monitoring a Website with Nagios XI.