chromium/third_party/webxr_test_pages/bucket_latest.html

<!DOCTYPE html>
<html>
  <head>
    <meta charset='utf-8'>
    <meta name='viewport' content='width=device-width, initial-scale=1'>

    <title>WebXR - Latest test pages redirector</title>
  </head>
  <body>
    <main class='main' id='main'>
      <script>
        // Grab url parameters
        let urlParams = new URLSearchParams(window.location.search);
        let target = "index.html"
        if(urlParams.has('target')) {
          target = urlParams.get('target');
        }

        console.debug("Target:", target);

        const revisionString = "r{{ revisionString }}";
        let destination = "https://storage.googleapis.com/chromium-webxr-test/" + revisionString + "/" + target;

        console.debug(destination);
        window.location.replace(destination);
      </script>
    </main>
  </body>
</html>