The P3P Implementation Guide

By Laurel Jamtgaard* and the Internet Education Foundation
Property of the Internet Education Foundation and the World Wide Web Consortium

*Laurel Jamtgaard is an attorney and privacy consultant living in Menlo Park, California. Ms. Jamtgaard coordinated the implementation of P3P at Angara E-Commerce Services, while serving as the company's Chief Privacy Officer and General Counsel. She is an author and speaker on topics of privacy, copyright and other information policy issues.


This is a guide to help organizations incorporate the Platform for Privacy Preferences (P3P) into their Web site(s). It provides information on the tasks required, the resources required, and gives guidance on how to best manage and execute the implementation.

NOTE: There are significant legal issues involved with publishing a privacy policy whether in human readable or P3P format. Although various legal issues may be discussed in this guide, it should not be considered a substitute for legal advice.

Status of currency of this document

Please note that this is a working draft of the Implementation Guide and is subject to revisions and corrections. Revised versions of this document will be distributed for circulation on an as needed basis. Updates on this document and the final version of the Implementation Guide will be provided on


The author would like to thank the staff of the Internet Education Foundation, the World Wide Web Consortium and the following individual reviewers and contributors: Lorrie Cranor, Jeff Nichols, Giles Hogben, Rigo Wenning, Ari Schwartz, Greg Hampson, Rebecca Richards, and Brooks Dobbs for their generous assistance.

Implementer Resources & User Agents

This section provides implementors with an index of some of the tools and services available from other organizations and companies to help with the P3P implementation process. These links will direct you to Web sites outside of P3P

If there is a P3P implementation service or tool that is not included on this site that you would like to submit for possible listing on P3PToolbox, please email us.

Policy Generators and Implementations Tools

There are a variety of resources available to assist Web sites implementing P3P. This includes privacy policy generators, P3P generators, the World Wide Web Consortium's P3P Validator and other W3C information on P3P. These are links to resources outside of P3P Toolbox. We can provide some assistance, but cannot provide comprehensive technical support for tools provided by any of these links.

User Agents

Web users interact with P3P through P3P-implemented user agents, such as Web browsers, media players, plug-ins, and other tools.

Basic Implementation Guide for Non-profit Web Sites

P3P Toolbox has created a basic template for non-profit Web sites that do not collect any user information to use to assist them in implementing P3P. COMING SOON

Privacy Seal Programs and Consultancies

In addition to P3P Toolbox and the W3C, there are a variety of other organizations and businesses that can provide assistance in implementing P3P or developing comprehensive privacy policies for your Web site. This includes organizations dedicated to helping create and verifying its members' good online business practices and consultants that can assist Web sites in implementing P3P.

Papers and Presentations

This section contains papers and presentations that help explain P3P in more detail, including Power Points, White Papers, and other documents.

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