InternetBrands is leading in Top 100K Sites and Top 1M Sites.
InternetBrands has better usage coverage in more websites categories. Including Law & Government, Law, Business & Industry, Health and 60 other categories.
Optimatic is leading in Games, News & Media, Internet & Telecom, Online and 21 other categories.
Optimatic is leading in most countries, including Venezuela, Colombia, Italy, Japan and 15 other countries.
InternetBrands is leading in United States, Russia, United Kingdom, India and 9 other countries.