Web Architecture 101

The purpose of this module is to provide a mental model of how web sites work, some of the key terminology and how these concepts relating to the coming modules on the course.

You'll be introduced to lots of new concepts in this module, and it's not important to remember or deeply understand everything that's covered. What's important is you understand that they exist and how they fit together. You'll learn a lot more about how they work throughout the rest of the course.

Week	Topic	Preparation	Session Plan	Assignment
1.	How web apps work	Preparation	Session Plan	Assignment

Learning goals

• Understand the key components of a web application

• Know what happens when you enter a URL in a web browser

• Be able to describe the difference between frontend and backend functionality

• Describe the role of HTML, CSS and JavaScript

• Understand what HTTP is and its methods

• How APIs are provided and used