HTTP

🚀 Introduction What you’ll learn in this article: What WebSocket is and what problem it solves Why chat messages and notifications arrive instantly How WebSocket differs from traditional HTTP communication If you’ve ever wondered how web apps feel “alive,” WebSocket is a big part of the answer. ✅ What Is WebSocket? WebSocket is a communication protocol that keeps the browser and server connected continuously, allowing them to exchange data anytime. ...

🚀 Introduction What you’ll learn in this article What actually happens when you open a website What “request” and “response” really mean How web apps turn data into what you see on the screen If web development ever felt like magic, this guide is here to demystify it. ✅ What Is the “Web Request Journey”? Every time you visit a website, a small round trip happens: Request → Response The moment you type https://example.com and press Enter, a journey begins—one that happens in milliseconds but involves multiple systems working together. ...

🚀 Introduction Caching is one of the most fundamental techniques that make the modern web fast. If you’ve ever wondered: What exactly is a cache? Why does caching make websites load faster? Where does caching happen—browser, server, CDN? What happens if caching doesn’t exist? This guide explains everything in simple, beginner‑friendly language. ✅ What Is Web Caching? In short: Caching is the practice of storing frequently used data close to the user so it can be reused quickly. ...

🚀 Introduction Modern websites seem to “remember” who you are — whether you’re logged in, what’s in your shopping cart, or which theme you prefer. But the web is stateless, meaning each request is independent. So how does a website keep track of you? This guide explains Cookies and Sessions in a simple, beginner-friendly way, using analogies that make the concepts easy to visualize. ✅ Quick Overview What Is a Cookie? Think of a cookie as a tiny note stored in your browser. ...