Content Security Policy is best used as defense-in-depth, to reduce the harm caused by content injection attacks.
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 in...
Content Security Policy is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
In terms of market share, P3P Policy is clearly lagging behind, losing to Content Security Policy in all segments.
Content Security Policy has better usage coverage in more websites categories. Including Arts & Entertainment, Computers Electronics & Technology, Games, Science & Education and 13 other categories.
P3P Policy is leading in E-commerce & Shopping, Pets & Animals, Travel & Tourism, Hobbies & Leisure and 3 other categories.
Content Security Policy is leading in most countries, including United States, United Kingdom, Germany, Japan and 153 other countries.
P3P Policy is leading in South Korea, Russia, China, Taiwan and 4 other countries.