Full-Stack · Quick Reference

Lesson 1 — How the Web Works Cheat Sheet

Full-Stack

In one line: Your browser (client) asks a server for a resource over HTTP; DNS translates the domain name into the server's IP address first.

Key Ideas

1Client. The browser — sends requests, renders responses.

2Server. A computer that listens for requests and sends back responses.

3DNS. Translates a domain name (bitwithbite.com) into an IP address.

4HTTP. The protocol defining how requests and responses are formatted.

5Status codes. 200 OK, 301 Redirect, 404 Not Found, 500 Server Error.

GET

Retrieve a resource

POST

Create a new resource

PUT / PATCH

Update an existing resource

DELETE

Remove a resource

Request → DNS lookup → TCP connection → HTTP request → Server processes → HTTP response → Browser renders