HTML5 page structure
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="">
<meta name="keywords" content="">
<meta name="author" content="">
<link rel="stylesheet" href="/css/style.css?key=<?php echo date('s'); ?>">
<link rel="stylesheet" href="/css/structure.css?key=<?php echo date('s'); ?>">
<script src="/js/scripts.js"></script>
<link rel="icon" type="image/x-icon" href="/images/favicon.ico">
<title>Title</title>
</head>
<body>
<header>
<nav>
<ul>
<li>menu item</li>
<li>menu item</li>
<li>menu item</li>
</ul>
</nav>
</header>
<aside>
<h2>aside header</h2>
<p>aside item</p>
<p>aside item</p>
</aside>
<div>
<section>
<h1>section header</h1>
<p>section paragraph</p>
</section>
<section>
<h1>section header</h1>
<p>section paragraph</p>
</section>
</div>
<footer>
<small>company stuff</small>
</footer>
</body>
</html>