Cookies vs LocalStorage vs SessionStorage (Which Should You Use) ?

Cookies vs LocalStorage vs SessionStorage (Which Should You Use?)

Where should you store data in the browser?

Should you use cookies, localStorage, or sessionStorage?

In this video, we break down the differences between these three storage options and explain when to use each one.

You’ll learn:
- What Cookies, LocalStorage, and SessionStorage are
- Key differences between them
- Which one is sent to the server
- When to use each storage type
- A simple Node.js + browser demo

By the end of this video, you’ll clearly understand how browser storage works and how to choose the right one for your application.

Key takeaway:
Cookies are best for authentication, localStorage for non-sensitive persistent data, and sessionStorage for temporary data.

Why this matters:
Choosing the wrong storage method can expose your application to security risks.

💻 Code:
https://github.com/aniruddhasm/how-systems-work/tree/develop/14-browser-storage-demo

🔥 Subscribe for more “How Systems Work” videos:
https://www.youtube.com/@aniruddhamahamuni
Tags:
#cookies, #localstorage, #sessionstorage, #jwt, #websecurity, #frontend #basics, #backendengineering, #systemdesign

Видео Cookies vs LocalStorage vs SessionStorage (Which Should You Use) ? канала Aniruddha Mahamuni