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, Shopping, Sports, Adult and 6 other categories.
Newzia is leading in Arts & Entertainment, News & Media, Business & Industry, Technology News and 2 other categories.
Simple AdServer is leading in most countries, including Hungary and Chile.
Newzia is leading in Japan.