---
title: "RANJAN KUMAR (@RanjanSarai) | Hashnode"
description: "#Let's learn. Read the latest articles by RANJAN KUMAR on Hashnode."
url: "https://hashnode.com/@RanjanSarai"
---

@RanjanSarai

# RANJAN KUMAR

@RanjanSarai · Joined January 2026

#Let's learn

### [A Complete Guide to Understanding CSS Selectors](https://learnwithranjan.hashnode.dev/a-complete-guide-to-understanding-css-selectors?utm_source=hashnode&utm_medium=feed)

Learn CSS selectors: element, class, ID, and selector priority for HTML styling

3 min read · [learnwithranjan.hashnode.dev](https://learnwithranjan.hashnode.dev/a-complete-guide-to-understanding-css-selectors?utm_source=hashnode&utm_medium=feed)

[Feb 1](https://hashnode.com/posts/a-complete-guide-to-understanding-css-selectors/697f5faec77be24f7ad4c15a)

### [Mastering the Basics: A Guide to HTML Tags and Elements](https://learnwithranjan.hashnode.dev/mastering-the-basics-a-guide-to-html-tags-and-elements?utm_source=hashnode&utm_medium=feed)

Learn the fundamentals of HTML tags, elements, and their usage in building structured web pages with this comprehensive guide

4 min read · [learnwithranjan.hashnode.dev](https://learnwithranjan.hashnode.dev/mastering-the-basics-a-guide-to-html-tags-and-elements?utm_source=hashnode&utm_medium=feed)

[Feb 1](https://hashnode.com/posts/mastering-the-basics-a-guide-to-html-tags-and-elements/697f4df09b9d7fa5a3e43d1a)

### [A Beginner’s Guide to Writing Faster Markup](https://learnwithranjan.hashnode.dev/a-beginners-guide-to-writing-faster-markup?utm_source=hashnode&utm_medium=feed)

Learn how Emmet boosts HTML productivity with shortcuts in code editors. Perfect for beginners aiming to write faster, cleaner markup

2 min read · [learnwithranjan.hashnode.dev](https://learnwithranjan.hashnode.dev/a-beginners-guide-to-writing-faster-markup?utm_source=hashnode&utm_medium=feed)

[Feb 1](https://hashnode.com/posts/a-beginners-guide-to-writing-faster-markup/697f3731fb9c6e17c16c1304)

### [Guide to Browser Internals](https://learnwithranjan.hashnode.dev/guide-to-browser-internals?utm_source=hashnode&utm_medium=feed)

Understand browsers' user interfaces, rendering, and networking for effective web page display

2 min read · [learnwithranjan.hashnode.dev](https://learnwithranjan.hashnode.dev/guide-to-browser-internals?utm_source=hashnode&utm_medium=feed)

[Feb 1](https://hashnode.com/posts/guide-to-browser-internals/697f291537bfe3590d095d1d)

### [Understanding TCP: How the 3-Way Handshake Ensures Reliable Communication](https://learnwithranjan.hashnode.dev/understanding-tcp-how-the-3-way-handshake-ensures-reliable-communication?utm_source=hashnode&utm_medium=feed)

Learn how TCP's 3-way handshake ensures reliable, sequential, and accurate data transfer, addressing sequencing and delivery issues between systems

3 min read · [learnwithranjan.hashnode.dev](https://learnwithranjan.hashnode.dev/understanding-tcp-how-the-3-way-handshake-ensures-reliable-communication?utm_source=hashnode&utm_medium=feed)

[Feb 1](https://hashnode.com/posts/understanding-tcp-how-the-3-way-handshake-ensures-reliable-communication/697f1ad070075ae91f1d8551)