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P3P Policy Usage Statistics
Historical Technology Usage Information
The Platform for Privacy Preferences Project (P3P) enables Websites to express their privacy practices in a standard format that can be retrieved automatically and interpreted easily by user agents. P3P user agents will allow users to be informed of site practices (in both machine- and human-readable formats) and to automate decision-making based on these practices when appropriate. Thus users need not read the privacy policies at every site they visit.
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This chart represents P3P Policy penetration over a historical time period on a large selection of website homepages queried by BuiltWith.
The usage trends are updated twice a month with the last calculation occuring on February 01 2010.
For more information about P3P Policy visit http://www.w3.org/P3P/
Privacy Distribution
Distribution of the top web technologies.
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Distribution is calculated from a cross section of website domains provided by URLs entered at BuiltWith.com and the Quantcast Top Million. Last calculated on February 01 2010
Privacy Usage
Proportion of sites found using these technologies.
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Analytics penetration is based on what BuiltWith can find and is typically based on popular 3rd party tools. Last calculated on February 01 2010.
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Hot Providers
Biggest Movers in Privacy
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