page.html

<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <title>In a frame</title>
    <meta name="description" content="The frame beside the page holds it." />
    <meta property="og:title" content="In a frame" />
    <meta property="og:description" content="The frame beside the page holds it." />
    <meta property="og:type" content="website" />
    <meta name="twitter:card" content="summary" />
  </head>
  <body>
    <header>A small site</header>
    <main>
<h1 id="framed">Framed</h1>
<p>The frame's header and footer are around this.</p>
</main>
    <footer>Written by hand</footer>
  </body>
</html>