PHP server problem

I've build a web site that get source code of the link entered by the user using(HTML DOM), then checks the source depending on standards. the problem is some web sites can't evaluate. this is My Web Site link you can check from here.

when you enter google URL in the text-box, the web site functionality works successful, but when trying the example http://www.alwatan.com.sa/Default.aspx it doesn't work. no information appear开发者_Python百科.

can one help me?

The URL http://www.alwatan.com.sa/Default.aspx automatically redirects to http://www.alwatan.com.sa/Default.aspx?issueno=3902

If you enter the URL with the query string, your application works (presumably) as intended.

I imagine there is no content at http://www.alwatan.com.sa/Default.aspx, and the issueno is a required parameter.