HTML

<!doctype html>
<html>
<head>
 <title>Page title</title>
</head>
<body>
 <header><h1>Page title</h1></header>
 <nav><!-- Navigation --></nav>
 <section id="intro"><!-- Introduction --></section>
 <section><!-- Main content area --></section>
 <aside><!-- Sidebar --></aside>
 <footer><!-- Footer --></footer>
</body>
</html>

Each section could have its own <header><nav> ...

<article> for blogs

html layout