HTML 5 · Page structure
Basic page
A complete HTML5 document with a language, character set and responsive viewport.
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Page title</title>
</head>
<body>
<h1>Hello</h1>
</body>
</html>