chromium/chrome/test/data/page_load_metrics/nextjs_page.html

<!DOCTYPE html>
<script>
  window.next = {
    version: '14.0.2',
  };
</script>
<body>
  <div>
    This is a test to see if a page with a
    <pre>window.next</pre>
    JavaScript object is using the Next.js
    JavaScript framework.
  </div>
</body>