Initial State is one of the ever-growing list of sites that take data from your internet of things device and allow you to create dashboards displaying that data. It is one of the better ones, and they’ve certainly ploughed a lot of development time into creating a very tactile, attractive front end.
In their latest tutorial, they have taken readings from the Raspberry Pi’s internal system and process data and created a dashboard that gives you an idea of the internal health of your Pi. Take a look here.