InternetBrands is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
InternetBrands has better usage coverage in more websites categories. Including Law & Government, Law, Business & Industry, Health and 66 other categories.
WebTrends Ads is leading in People & Society, Religion & Spirituality, Software, Music & Audio and 6 other categories.
WebTrends Ads is leading in most countries, including Indonesia, Australia, Canada, Italy and 20 other countries.
InternetBrands is leading in United States, Great Britain, India, Russia and 14 other countries.