1
OpenX is leading in The Entire Web.
2
Rubicon Project is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
1
OpenX has better usage coverage in more websites categories. Including Arts & Entertainment, Science & Education, Computers Electronics & Technology, Games and 20 other categories.
2
Rubicon Project hasn't got a lead over OpenX in any websites category.
1
OpenX is leading in most countries, including Russia, France, Taiwan, Italy and 119 other countries.
2
Rubicon Project is leading in United States, Japan, Canada, Indonesia and 29 other countries.