Brain/index.html at main · padenbeck/Brain · GitHub

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <link rel="icon" type="image/svg+xml" href="brain.svg" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
    <title>Brain Training</title>
    <!-- Preload critical fonts -->
    <link
      rel="preload"
      href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap"
      as="style"
    />
    <link
      rel="stylesheet"
      href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap"
    />
    <!-- Preconnect to external domains -->
    <link rel="preconnect" href="https://fonts.googleapis.com" />
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
    <!-- Meta tags for better SEO and sharing -->
    <meta name="description" content="Advanced brain training exercises including RRT, 3D MOT, and N-Back training." />
    <meta name="theme-color" content="#6366f1" />
    <meta property="og:title" content="Brain Training" />
    <meta property="og:description" content="Advanced brain training exercises including RRT, 3D MOT, and N-Back training." />
    <meta property="og:type" content="website" />
    <!-- Critical CSS for initial render -->
    <style>
      /* Minimize content shift during load */
      html, body {
        margin: 0;
        padding: 0;
        background: var(--background);
        overscroll-behavior: none; /* Prevent pull-to-refresh on mobile */
      }
      #root {
        min-height: 100vh;
        display: flex;
        flex-direction: column;
      }
      /* Mobile touch optimizations */
      @media (max-width: 768px) {
        * {
          touch-action: manipulation; /* Improve touch response */
        }
        button {
          -webkit-tap-highlight-color: transparent; /* Remove tap highlight on iOS */
          touch-action: manipulation;
          min-height: 44px; /* Ensure touch targets are large enough */
        }
      }
    </style>
  </head>
  <body>
    <div id="root"></div>
    <script type="module" src="./src/main.jsx"></script>
  </body>
</html>