InternetBrands is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
InternetBrands has better usage coverage in more websites categories. Including Health, Business & Industry, Shopping, Autos & Vehicles and 66 other categories.
Optimatic is leading in Games, News & Media, Internet & Telecom, Video Games and 18 other categories.
Optimatic is leading in most countries, including Israel, Ukraine, Algeria, Venezuela and 21 other countries.
InternetBrands is leading in United States, United Kingdom, Russia, Brazil and 10 other countries.