BeginnerStarter1 week

Internet & Browser Fundamentals

Understand how browsers, DNS, HTTP, URLs, servers, caching, and rendering work before writing complex UI.

Topic 1 of 24

Prerequisites

Basic computer literacy

Key Concepts & Skills

DNS
HTTP and HTTPS
Browser rendering
URLs
Request lifecycle
Caching basics

Learning Outcomes

Understand the core principles of DNS
Configure and deploy HTTP and HTTPS successfully
Troubleshoot common issues with Browser rendering
Understand the core principles of URLs
Configure and deploy Request lifecycle successfully
Troubleshoot common issues with Caching basics

Resources

Official documentation

MDN: How the Web works web.dev: How browsers work

Community resources

freeCodeCamp web basics

Practice Exercises

Draw the request lifecycle for opening a web page.Inspect headers, status codes, and assets in browser devtools.Explain DNS, CDN, and HTTPS in your own words.

Project Task

Create a one-page visual explainer of how a browser loads a website.

Quiz

What is the primary purpose of Internet & Browser Fundamentals?What are the common alternatives to Internet & Browser Fundamentals?How do you implement Internet & Browser Fundamentals in a production environment?

Notes