Creating web sites that scale to serve hundreds of millions of users with acceptable response times is a very challenging task. The main focus of this subject is on cloud computing concepts and tools that are needed to make web sites scalable. This subject assumes no prior knowledge in web development and therefore will cover the basics in both client side and server side web programming. The subject will cover topics such as JavaScript, the React framework, NodeJS, fundamental cloud computing concepts, tools for automatic scaling of web sites, stateless web servers, web application programming, NoSQL stores, continuous delivery, container technologies, model-view-controller, software architectural patterns, version control, etc.