The web contents are the essence of Internet, the blood that flows in its veins, its content. There are millions of websites were we can find information about anything, and there are thousant of millions of people using the web. The web has become a powerful tool, necessary for companies and very useful for people, we can look for a plumber, read a newspaper or book a holidays. In this project we will learn together the essential languages used to create web contents: HTML, CSS, XML, DOM, Javascript..., and we will create web products working collaboratively.