Harsh Raj

@RajHarsh4618

Web Developer, Building useful web applications

Kolkata, BiharJoined January 2026

About

CS undergrad | Tech enthusiast | Focusing on Web Dev • DSA • ML | Building skills for real-world impact

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Harsh Raj's blogs

Decode with Harshblog-rajharsh.hashnode.dev13 posts

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Recently published

blog-rajharsh.hashnode.dev

Getting Started with Emmet: Simplify Your HTML Workflow

Learning HTML was fun at first, but as pages got bigger, writing every tag manually started to feel slow and repetitive. Typing opening tags, closing tags, and nested structures over and over can disrupt your flow and make simple layouts seem like a ...

Jan 303 min read

blog-rajharsh.hashnode.dev

CSS Selectors 101: Targeting Elements with Precision

TL;DR Now that we’re familiar with HTML and how it structures a webpage, the next step is learning how to style that structure. CSS selectors allow us to precisely target HTML elements and control their appearance, making web pages visually appealin...

Jan 304 min read

blog-rajharsh.hashnode.dev

Understanding HTML Tags and Elements

TL;DR HTML (HyperText Markup Language) is used to structure content on the web. It uses tags to define elements like headings, paragraphs, and links. An HTML tag usually has an opening tag, content, and a closing tag, and together they form an HTML ...

Jan 306 min read

blog-rajharsh.hashnode.dev

How a Browser Works: A Beginner-Friendly Guide to Browser Internals

TL;DR A browser is more than a tool that opens websites—it is a complex application that fetches data from servers, interprets HTML/CSS/JavaScript, and renders interactive content on your screen. Its main components include the user interface, brows...

Jan 307 min read

blog-rajharsh.hashnode.dev

TCP Working: 3-Way Handshake & Reliable Communication

TL;DR TCP (Transmission Control Protocol) is a transport-layer protocol that ensures reliable data transfer. It starts communication with a 3-way handshake to establish a connection, then guarantees data is delivered in order, without loss, and with...

Jan 307 min read

Harsh Raj

About

Available for

Harsh Raj's blogs

Recently published

Getting Started with Emmet: Simplify Your HTML Workflow

CSS Selectors 101: Targeting Elements with Precision

Understanding HTML Tags and Elements

How a Browser Works: A Beginner-Friendly Guide to Browser Internals

TCP Working: 3-Way Handshake & Reliable Communication

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Harsh Raj

About

Available for

Harsh Raj's blogs

Recently published

Getting Started with Emmet: Simplify Your HTML Workflow

CSS Selectors 101: Targeting Elements with Precision

Understanding HTML Tags and Elements

How a Browser Works: A Beginner-Friendly Guide to Browser Internals

TCP Working: 3-Way Handshake & Reliable Communication