Blog

Everything You Need to Understand About the Web Once and For All

A clear, step-by-step explanation of how websites actually work – from files and hosting to domains and modern tools – so you can take full control.

April 27, 20257 min read

Today, I’m going to break down everything about websites: how the web works, how websites operate, and how you can control them yourself. The web world is often gatekept – people hide knowledge (“giấu nghề”) because they think websites are a money-making secret. In reality, it’s not hard once you see the full map.

Especially for people working with WordPress: you can spend years building sites without actually understanding what’s happening under the hood. Nobody explained the fundamentals properly.

Websites Are Just Files

A website is, at its core, just a file – like a Word document. You can open it offline, no internet needed. But for other people to see it anytime, you need a computer (server) running 24/7 to “serve” those files.

Hosting and Domain

Hosting = a rented computer online (like DigitalOcean or AWS).
Domain = a pretty name (like example.com) pointing to that computer.

Drag & Drop vs Code

  • Drag-and-drop tools (WordPress, Squarespace) are convenient but limited.
  • Code-based frameworks (Next.js, Astro, SvelteKit) give full control and scale better – especially now with AI (like ChatGPT) helping you code, debug, and deploy faster.

Modern Approach

  1. Build with code (lightweight & customizable).
  2. Use AI to assist with syntax and setup.
  3. Deploy directly from GitHub to a hosting provider.
  4. Point your domain and go live.
AspectOld Method (WordPress)Modern (Next.js + AI)
Learning curveHigh (plugins, themes)Lower (AI assists coding)
SpeedSlower, more manual stepsFaster, automated workflows
CustomizationLimited by themesFull freedom via code
MaintenanceFrequent plugin conflictsEasier, code-based updates

Once you see this map, you realize there’s no magic – just steps.