In the Front End Web Developer course on Udacity, you will learn how to create the structure of a website using semantic HTML and style websites with CSS and responsive layouts. You will also gain an understanding of different use cases for CSS Grid and Flexbox, and learn how to structure the layout of a web page using grid columns and rows. Additionally, you will use JavaScript and the DOM to control webpage content and interactions, work with browser events, and manage website performance. You will also learn how to set up a Node and Express environment for developing web applications, handle HTTP requests and routes, and update website elements dynamically using asynchronously retrieved data. Furthermore, you will develop an understanding of build tools like Webpack for automating build tasks, create CSS variables with Sass, and configure Webpack to use Sass controlled stylesheets. Lastly, you will learn how to cache server data and website functionality using Service Worker. By the end of the course, you will have the skills to complete the Front End Web Developer Nanodegree Program Capstone project.