HTML

Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. It can be assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript.

How the Web Works

<!DOCTYPE html>
<html lang="es">
<head>
  <title>Mi primer HTML</title>
</head>
<body>
  <h1>Hola Mundo!</h1>
</body>
</html>

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https://cursos.canvas.uc.cl/courses/33771/assignments/176453