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, Health, Business & Industry and 71 other categories.
WebTrends Ads is leading in Computer & Electronics, People & Society, Software, Music & Audio and 8 other categories.
InternetBrands is leading in most countries, including United States, United Kingdom, Mexico, Russia and 18 other countries.
WebTrends Ads is leading in Indonesia, China, Philippines, Argentina and 10 other countries.