Optimatic is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Optimatic has better usage coverage in more websites categories. Including Arts & Entertainment, Games, Video Games, Food & Drink and 21 other categories.
WebTrends Ads is leading in Business & Industry, People & Society, Shopping, Computer & Electronics and 17 other categories.
WebTrends Ads is leading in most countries, including Costa Rica, Guatemala, Australia, Indonesia and 15 other countries.
Optimatic is leading in United States, Canada, Israel, Algeria and 9 other countries.