It's hard to judge what's right and what's wrong when you collect pieces of knowledge one by one on the Internet, and it's burdensome to study from a book because the amount is too much, but I was able to learn a lot neatly at just the right level.

lazycoder

Learn the core HTTP features essential for practical use and how to design proper HTTP APIs.

인프런 10주년! 사랑주간 전체 할인

HTTP Web Basics for Every Developer

Looking at acoustic0419's review, I can see that he achieved exactly the goal I was hoping for. Thank you.

입문

초급

중급이상

Network

Introduction

Internet network

URI and Web Browser Request Flow

HTTP Basics

HTTP Methods

Using HTTP Methods

HTTP Status Code

HTTP Header 1 - General Header

HTTP Headers 2 - Cache and Conditional Requests