title: Getting "The remote server returned an error: (503) Server Unavailable" on ttp://toolbarqueries.google.com/search?q=info:(domainName)
body: <p>I am trying to create a windows service. The purpose of service is to pick up urls from a database and check their page rank from google. The purpose is to catch any one faking their page ranks. I found some code at <a href="http://www.codeproject.com/KB/aspnet/Google_Pagerank.aspx" rel="nofollow">http://www.codeproject.com/KB/aspnet/Google_Pagerank.aspx</a> and used it.</p>
  
  <p>Now here is the code</p>
  
  <pre><code>  public static int GetPageRank()
      {
  
          string file = "http://toolbarqueries.google.com/search?q=info:codeproject.com";
          try
          {
              //Request PR from Google
  
  
  
              WebRequest request = WebRequest.Create(file);
              WebResponse response = request.GetResponse();
  
              StreamReader reader = new StreamReader(response.GetResponseStream());
              string data = reader.ReadToEnd();
  
              reader.Close();
              response.Close();
  
              //Parse PR from string
              int pageRank = -1;
              if (data.IndexOf(':') != -1)
              {
                  data = data.Substring(data.LastIndexOf(':') + 1);
              }
  
              int.TryParse(data, out pageRank);
  
              return pageRank;
          }
          catch (Exception ex)
          {
  
              MessageBox.Show(ex.Message);
              return -1;
          }
      }
  </code></pre>
  
  <p>Now what is happening is this when this method is called after some tries like 100 tries i start getting following exception. "The remote server returned an error: (503) Server Unavailable".  I have done some research and i have seen a related question on stack overflow as well. Apparently google stops serving requests if to many of them originate from a same ip. Are there any work arounds to it that will enable me to check several thousand pageranks in say two hours or three hours.</p>