<noframes>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN">
<html>
<head>
  <title>Old Frameset Page</title>
</head>

<frameset cols="25%, 75%">
  <frame src="menu.html" name="menu">
  <frame src="content.html" name="content">

  <noframes>
    <body>
      <h1>Your browser does not support frames</h1>
      <p>This website requires frames to display properly.</p>
      <p>Please upgrade your browser or <a href="no-frames.html">click here</a> for a non-frames version.</p>
    </body>
  </noframes>
</frameset>
</html>

Unavailable or blocked: stylesheet “styles.css”; fragment context “#section1”; fragment context “#section2”. Provide inline styles and scripts, embedded images or the missing HTML context. External requests and browser dialogs stay blocked.

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Modern Layout</title>
  <link rel="stylesheet" href="styles.css">
</head>
<body>
  <header>
    <h1>Website Header</h1>
    <nav>
      <ul>
        <li><a href="/">Home</a></li>
        <li><a href="/about">About</a></li>
        <li><a href="/contact">Contact</a></li>
      </ul>
    </nav>
  </header>

  <main>
    <aside>
      <h2>Sidebar</h2>
      <nav>
        <ul>
          <li><a href="#section1">Section 1</a></li>
          <li><a href="#section2">Section 2</a></li>
        </ul>
      </nav>
    </aside>

    <article>
      <h2>Main Content</h2>
      <p>This is the main content area.</p>
    </article>
  </main>

  <footer>
    <p>© 2025 Your Website</p>
  </footer>
</body>
</html>

<style>
  body {
    display: grid;
    grid-template-areas:
      "header header"
      "sidebar main"
      "footer footer";
    grid-template-columns: 200px 1fr;
    grid-template-rows: auto 1fr auto;
    min-height: 100vh;
    margin: 0;
    gap: 10px;
  }

  header {
    grid-area: header;
    background: #333;
    color: white;
    padding: 20px;
  }

  aside {
    grid-area: sidebar;
    background: #f4f4f4;
    padding: 20px;
  }

  main {
    grid-area: main;
    padding: 20px;
  }

  footer {
    grid-area: footer;
    background: #333;
    color: white;
    padding: 20px;
    text-align: center;
  }
</style>

<style>
  body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
  }

  header {
    background: #333;
    color: white;
    padding: 20px;
  }

  .container {
    display: flex;
    flex: 1;
  }

  aside {
    width: 200px;
    background: #f4f4f4;
    padding: 20px;
  }

  main {
    flex: 1;
    padding: 20px;
  }

  footer {
    background: #333;
    color: white;
    padding: 20px;
    text-align: center;
  }
</style>

<body>
  <header>Header</header>
  <div class="container">
    <aside>Sidebar</aside>
    <main>Main Content</main>
  </div>
  <footer>Footer</footer>
</body>

The snippet includes CSS inside its HTML. Unavailable or blocked: embedded content “https://www.google.com/maps/embed?pb=...”. Provide inline styles and scripts, embedded images or the missing HTML context. External requests and browser dialogs stay blocked.

<!-- Only use iframe for embedding external content like maps, videos -->
<h2>Embedded Map</h2>
<iframe
  src="https://www.google.com/maps/embed?pb=..."
  width="600"
  height="450"
  style="border:0;"
  allowfullscreen=""
  loading="lazy">
</iframe>

<!-- Note: iframe is different from frames/frameset -->
<!-- Use it only for embedding third-party content -->

<!-- Modern approach with JavaScript -->
<div id="app">
  <header>
    <nav id="main-nav">
      <!-- Navigation links -->
    </nav>
  </header>

  <main id="content">
    <!-- Content loaded dynamically via JavaScript -->
  </main>

  <footer>
    <!-- Footer content -->
  </footer>
</div>

<script>
  // Load content dynamically using JavaScript
  // Frameworks like React, Vue, Angular handle this
</script>