为什么我们的网站博客页面加载了两次？

Question

我们的网站是用Symfony Framework编写的。有一个JavaScript代码，我猜我们的网站加载了两次。

网址：https://www.drberg.com/blog/what-to-eat-for-your-body-type

请访问上述网站，您将了解每次访问时如何加载两次。我不知道出了什么问题。有人建议可能有一些 backgournd-image css选择器强制网站加载两次，但我没有找到任何东西。

<script type="text/javascript">

    function createCookie(name, value, days) {
      var expires = "";
      if (days) {
        var date = new Date();
        date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
        expires = "; expires=" + date.toUTCString();
      }
      document.cookie = name + "=" + value + expires + "; path=/";
    }

    function readCookie(name) {
      var nameEQ = name + "=";
      var ca = document.cookie.split(';');
      for (var i = 0; i < ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0) == ' ') c = c.substring(1, c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
      }
      return null;
    }

    function eraseCookie(name) {
      createCookie(name, "", -1);
    }

    var url = window.location.href;
    var fullpath = new URL(url).pathname;
    var splitpath = fullpath.split("/");
    var pathname = splitpath[2] + "/" + splitpath[3];
    var jsonObj = [];
    var cookie_name = "video_cookie";
    var x = readCookie(cookie_name);
    if (x) {
      var res = x.split(",");
      console.log(x);
      for (var i = 0; i < res.length; i++) {
        if (res.every(x = > x !== pathname))
        {
          res.push(pathname);
          var joinedArray = res.join(",");
          createCookie(cookie_name, joinedArray, 7);
          $.post(window.location.href, {
            update_views: "yes"
          });
        }
      }
    } else {
      jsonObj.push(pathname);
      createCookie(cookie_name, jsonObj, 7);
      $.post(window.location.href, {
        update_views: "yes"
      });
      var x = readCookie(cookie_name);
      console.log(x);
    }
    </script>