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, Shopping, Business & Industry, Autos & Vehicles and 62 other categories.
WebTrends Ads is leading in People & Society, Computer & Electronics, Religion & Spirituality, Music & Audio and 7 other categories.
InternetBrands is leading in most countries, including United States, United Kingdom, Canada, France and 16 other countries.
WebTrends Ads is leading in Indonesia, China, Belarus, Taiwan and 14 other countries.