Privacy Bird® fetches privacy policies from web sites using a standard protocol called the Platform for Privacy Preferences (P3P). P3P was developed by the World Wide Web Consortium (W3C), an international organization that develops many of the important technical specifications behind the World Wide Web.
P3P specifies a computer-readable language for describing web site privacy policies, as well as a protocol for fetching these policies from web sites. The P3P privacy policy language is encoded in XML.
Visit the P3P web site at the W3C for more information about P3P.