Windows Phone as of today doesn’t provide a property or direct API call which will help you identify whether the user has chosen to accept cookies or not. However, we can identify this pretty neatly by trying to get the cookie collection.
 
So to achieve this, we are going to get the cookie collection for a site which uses cookies and if it returns empty, then the user has turned off the cookies and if it has a count, then the user has preferred to use the cookies.  Read More