maslestorres.cat is a web application designed, built, run and mantained by myself, and I'm not a web developer... So there are things to improve everywhere, but I wanted to know it was possible. Here I will give you an overview of the architecture implemented, which technologies have been used and what's the data flow. I won't provide the low-level detail, but you should be able to get a clear picture about how it works.
Below diagram shows the jardiNet architecture, from internet user, through the web site provider that hosts maslestorres.cat to the database server que collects nodes data: