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Feb 5 · 1 min read · DNS resolution happens through a strict hierarchy: Root Name Servers ↓ Top-Level Domain (TLD) Servers (.com, .org, .in) ↓ Authoritative Name Servers (e.g., google.com) Each layer only knows where to find the next layer—never the final answer d...
Join discussionFeb 1 · 1 min read · Why CSS selectors are needed CSS doesn’t style the whole page blindly.It needs to know exactly WHICH HTML elements you want to style. Selectors are the “targeting system” of CSS. Without selectors: CSS is just random rules Browser has no idea whe...
Join discussionFeb 1 · 1 min read · What HTML is & why we use it HTML (HyperText Markup Language) is the skeleton of a webpage. It defines structure, not behavior or style Tells the browser what things are: heading, paragraph, image, button, form Every website you visit starts as HT...
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