pagina.html

<!DOCTYPE html>
<html lang="pt_br">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    
    <header>

        <h1>Título</h1>
        <h2>Título 2</h2>
        <h3>Título 3</h3>

    </header>

    <nav>

        <ul>

            <li>item um</li>
            <li>item dois</li>

        </ul>

    </nav>

    <table>

        <thead>

            <tr>
                <th>#</th>
                <th>Nome</th>
            </tr>

        </thead>

        <tbody>

            <tr>
                <td>1</td>
                <td>Rafael</td>
            </tr>
            
        </tbody>

    </table>

    <a href="https://www.google.com">abrir o google</a>

</body>
</html>