1
X-UA-Compatible is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
2
In terms of market share, P3P Policy is clearly lagging behind, losing to X-UA-Compatible in all segments.
1
X-UA-Compatible has better usage coverage in more websites categories. Including Computers Electronics & Technology, Science & Education, Arts & Entertainment, Games and 20 other categories.
2
P3P Policy hasn't got a lead over X-UA-Compatible in any websites category.
1
X-UA-Compatible is leading in most countries, including United States, China, Japan, Germany and 162 other countries.
2
P3P Policy hasn't got a lead over X-UA-Compatible in any country.