private void Normal(IList <string> websites)
 {
     foreach (var url in websites)
     {
         WebsiteDataModel wdm = DoDownload(url);
         Console.Write(wdm.ToString());
     }
 }
        private async Task AsyncAndWait(IList <string> websites)
        {
            foreach (var url in websites)
            {
                WebsiteDataModel wdm = await Task.Run(() => DoDownload(url));

                Console.Write(wdm.ToString());
            }
        }