Optimatic is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Undertone Networks has better usage coverage in more websites categories. Including People & Society, News & Media, Arts & Entertainment, Shopping and 78 other categories.
Optimatic is leading in Games, Video Games, Cooking & Recipes, Home & Garden and 8 other categories.
Undertone Networks is leading in most countries, including United States, United Kingdom, Poland, Japan and 24 other countries.
Optimatic is leading in Canada, Israel, India, Algeria and 4 other countries.