Newzia is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Simple AdServer has better usage coverage in more websites categories. Including Computer & Electronics, Sports, Shopping, Web Hosting and 6 other categories.
Newzia is leading in Arts & Entertainment, News & Media, Business & Industry, Technology News and 2 other categories.
Newzia is leading in most countries, including Japan, France and China.
Simple AdServer is leading in Hungary.