<!DOCTYPE html>
<html>
<head>
<title>HTML Başlık Etiketleri Örneği</title>
<meta charset="UTF-8">
</head>
<body>
<h1>PROTOTÜRK</h1>
<h2>PROTOTÜRK</h2>
<h3>PROTOTÜRK</h3>
<h4>PROTOTÜRK</h4>
<h5>PROTOTÜRK</h5>
<h6>PROTOTÜRK</h6>
</body>
</html>