InternetBrands is leading in Top 100K Sites and Top 1M Sites.
InternetBrands has better usage coverage in more websites categories. Including Health, Shopping, Business & Industry, Autos & Vehicles and 63 other categories.
WebTrends Ads is leading in People & Society, Religion & Spirituality, Music & Audio, Business Services and 7 other categories.
InternetBrands is leading in most countries, including United States, United Kingdom, France, Mexico and 16 other countries.
WebTrends Ads is leading in China, Costa Rica, Guatemala, Australia and 12 other countries.