Optimatic is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Optimatic has better usage coverage in more websites categories. Including Games, Arts & Entertainment, News & Media, Business & Industry and 38 other categories.
Simple AdServer is leading in Computer & Electronics, Sports, Web Hosting, Consumer Electronics and one other category.
Optimatic is leading in most countries, including United States, Israel, Algeria, Canada and 29 other countries.
Simple AdServer is leading in Hungary and Slovakia.