HTML
This is the one basically every website uses. It’s not a “programming” language in the same way as the others. It’s more like the skeleton.
You use tags like <h1> for a heading and <p> for a paragraph. The browser reads it top to bottom and builds the page structure. If HTML is messy, the whole site feels messy no matter how nice your colours are.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>My website</title>
</head>
<body>
<h1>Welcome</h1>
<p>This is a normal paragraph.</p>
<a href="/contact">Contact</a>
</body>
</html>

