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 65 other categories.
WebTrends Ads is leading in People & Society, Music & Audio, Religion & Spirituality, Business Services and 7 other categories.
InternetBrands is leading in most countries, including United States, United Kingdom, Canada, Philippines and 17 other countries.
WebTrends Ads is leading in Indonesia, Australia, Guatemala, Costa Rica and 9 other countries.