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 69 other categories.
WebTrends Ads is leading in Computer & Electronics, People & Society, Software, Music & Audio and 9 other categories.
InternetBrands is leading in most countries, including United States, United Kingdom, Russia, France and 16 other countries.
WebTrends Ads is leading in Canada, Indonesia, Singapore, Argentina and 11 other countries.