<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Page will do a redirect without doing it in a top load</title>
    <!-- <meta content="0;url=https://example.com/hello_world" http-equiv="refresh"> -->
    <script>
      let parentWindow = window.parent;
      let url = "https://example.com/hello_world";
      parentWindow.postMessage(url, "*");
    </script>
  </head>
  <body>
  </body>
</html>
