Introduction

Welcome to Web Application Basics! In this room, we’ll walk through the key elements of a web application, such as URLs, HTTP requests, and responses. This is perfect if you're starting and want to get a handle on the essentials or if you're looking to build or work with web apps.

Learning Objectives By completing this room, you will:

• Understand what a web application is and how it runs in a web browser.
• Break down the components of a URL and see how it helps access web resources.
• Learn how HTTP requests and responses work.
• Get familiar with the different types of HTTP request methods.
• Understand what different HTTP response codes mean.
• Check out how HTTP headers work and why they matter for security.