Suppose I have a URL in my query string. Someone told me that Google does not like it because they believe we are pulling content from another server.
http://mydomain.com/?id=http://abc.com
Suppose I have a URL in my query string. Someone told me that Google does not like it because they believe we are pulling content from another server.
http://mydomain.com/?id=http://abc.com
Use Google Webmaster tools, it will report back to you any problems that it has with urls in your site. It just takes a bit of time for them to spider your site, but the reporting is useful.