HTML5網站框架是能夠提高網站操作效率以及減少代碼編寫難度的工具。它們提供了一組共同使用的HTML，CSS和JavaScript代碼，可以輕松地創建一個現代化網站。以下是一些常用的HTML5網站框架代碼：
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>My Website</title>
<link rel="stylesheet" href="css/style.css">
</head>
<body>
<nav>
<ul>
<li><a href="#">Home</a></li>
<li><a href="#">About</a></li>
<li><a href="#">Services</a></li>
<li><a href="#">Contact</a></li>
</ul>
</nav>
<header>
<h1>Welcome to My Website</h1>
</header>
<main>
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras vel ullamcorper felis. Maecenas laoreet augue in felis bibendum scelerisque. Fusce tempus eu mauris vitae tincidunt. Suspendisse bibendum vulputate est eget volutpat. Integer quis ante rutrum, porta leo sit amet, euismod arcu. </p>
</main>
<footer>
<p>Copyright ? 2021 My Website</p>
</footer>
<script src="js/main.js"></script>
</body>
</html>