01
The journey of a request
The moving pieces between an address bar and a rendered page.
How the Web Works
Follow a request from your browser to a server and back, building a useful mental model of the web along the way.
LevelBeginnerTime35 minutesChapters2Lessons3
Start learning →What you’ll learn
By the end of this course
- Explain what happens after you enter a URL
- Understand the roles of DNS, HTTP, and servers
- Read a simple request and response with confidence
- Reason about common web failures systematically
Course outline
Chapters & lessons
02
Servers, pages, and browsers
How files become interfaces on a screen.