CSS Selectors 101: Targeting Elements with PrecisionIf you are learning CSS, one of the most important topics you’ll come across is selectors. Selectors decide which HTML element should get styled. Without selectors, CSS would not know where to apply colors, fonts, spacing, or layouts. Tag (Element...Jan 31, 2026·2 min read
TCP Working: 3-Way Handshake & Reliable CommunicationThis is a pre connection process. First our computer will ask our friend's computer "Hey, I want to make a connection with you. Can I?". The friend's computer replies "Yeah, sure.". And then our computer will respond, "Okay!, I am creating a conne...Jan 31, 2026·4 min read
DNS Record Types ExplainedWhat is DNS? It is Domain Name System. It is a phone book of IP Addresses with their Name to lookup for. HTTP takes url of the website and it tries to look for its IP Address and connect to it. Its a Database of IP Addresses. This Database of IP...Jan 30, 2026·4 min read
TCP vs UDP: When to Use What, and How TCP Relates to HTTPWhy Do We Even Need Protocols? The internet is made of millions of computers talking to each other. To make sure data is sent correctly, on time, and to the right place, the internet follows rules. These rules are called protocols. At the Transport L...Jan 30, 2026·4 min read
How a Browser Works: A Beginner-Friendly Guide to Browser InternalsHave you ever thought about what really happens when you type a URL into your browser and hit Enter? Let’s start with a simple question: what actually constitutes a URL? Consider this example URL: https://www.google.com/api/search?q=home The domain ...Jan 30, 2026·5 min read
Getting Started with cURLWhat is cURL? cURL which stands for client URL and can be written as curl , is a command line tool for file transfer with a URL syntax. It supports a number of protocols including HTTP, HTTPS, FTP, and many more. HTTP/HTTPS makes it a great candidate...Jan 30, 2026·4 min read
Emmet for HTML: A Beginner’s Guide to Writing Faster MarkupWhen you start learning HTML, you type everything manually opening(<>) and closing tags (</>), attributes, indentation, and nested structures. At first, this is fine, but as projects grow, writing HTML manually becomes repetitive and slow. Typing mul...Jan 30, 2026·2 min read