A web developer is a person who builds websites. Not the words and pictures on the page — the actual website itself. The buttons. The colors. The stuff that happens when you click.
They do it by writing code. Code is just instructions in a language a computer understands. A web developer types those instructions into a file, the browser reads the file, and a website appears on your screen. That's literally how every site you've ever visited got there.
The wild part: you can start doing this today. You don't need a fancy computer or a degree. You just need a text editor and a browser — both of which are already on every laptop in your school.
Almost every website in the world is built with the same three languages. They each have a job. Once you know what each one does, the rest of web development starts to make sense.
HTML decides what's on the page. Headings, paragraphs, images, buttons. Without HTML, there's nothing to look at.
CSS decides how it looks. Colors, fonts, sizes, spacing, animations — every visual decision lives in CSS.
JavaScript decides what happens. Click a button and something appears. Type a search and results show up. That's JS.
Where does the menu go? What font feels right? Web developers (and designers) make hundreds of tiny visual decisions on every page.
When you log into a game or post a comment, code runs behind the scenes to make that happen. Developers wire that up.
Once the site works on their computer, they upload it to a server so anyone in the world can visit it with a link.
Here's a real piece of HTML. You can type this into any text file, save it as hello.html, open it in a browser, and you just made a website. Seriously.
<h1>Hi, I built a website!</h1>
<p>This is my first one.</p>The <h1>means "big heading". The <p>means "paragraph". That's it.
Everything you've seen so far — this whole page, the colors, the animations, the buttons — was built the same way: someone sat down, opened a text editor, and typed code. You can too. Right now.
Head to the demo. Type any idea. An AI will write real HTML for it and we'll show you the code it wrote.