<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title></title>
  <script src="bundle.js"></script>
</head>
<body>
  <div id="component"></div>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title></title>
</head>
<body>
  <div id="component"></div>
  <script src="bundle.js"></script>
</body>
</html>

Move script tag into body
Move script tag into body

DOM load timing
