widget/count.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>Document</title>
</head>
<body>
  <span data-cusdis-count-page-id="lalala"></span>
  <span data-cusdis-count-page-id="bbb"></span>

  <script defer data-host="http://localhost:3000" id="for-testing" data-app-id="b6e722e4-fa20-471c-aec0-23ae67537c84" type="module" src="/count.js"></script>
  
</body>
</html>