HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="cache-control" content="no-cache, no-store, must-revalidate">
  <!-- Demo uses a long delay so the editor stays usable; production may use shorter values carefully -->
  <meta http-equiv="refresh" content="300;url=https://example.com">
  <title>http-equiv — combined head</title>
  <style>
    body {
      font-family: system-ui, sans-serif;
      margin: 0;
      padding: 1.5rem;
      background: #f8fafc;
      color: #334155;
      line-height: 1.7;
    }
    h1 { margin: 0 0 1rem; font-size: 1.25rem; color: #0f172a; }
    .panel {
      max-width: 520px;
      padding: 1rem 1.25rem;
      background: #fff;
      border: 1px solid #e2e8f0;
      border-radius: 8px;
      font-size: 0.875rem;
    }
    ul { margin: 0; padding-left: 1.25rem; }
    li { margin: 0.35rem 0; }
    code { background: #e2e8f0; padding: 0.1rem 0.35rem; border-radius: 4px; }
    .hint {
      margin-top: 1rem;
      font-size: 0.8125rem;
      color: #64748b;
      max-width: 520px;
    }
  </style>
</head>
<body>
  <h1>Combined head setup</h1>
  <div class="panel">
    <ul>
      <li><code>charset="UTF-8"</code> — sets document encoding</li>
      <li><code>http-equiv="cache-control"</code> — hints browsers not to cache stale content</li>
      <li><code>http-equiv="refresh"</code> with <code>300</code> — redirects after 300 seconds (5 minutes)</li>
    </ul>
  </div>
  <p class="hint">Prefer real HTTP headers for cache and redirects when you control the server. Use each meta directive only when you truly need it.</p>
</body>
</html>

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HTML http-equiv Attribute — Combined Head Setup