InternetBrands is leading in Top 100K Sites and Top 1M Sites.
InternetBrands has better usage coverage in more websites categories. Including Health, Business & Industry, Law & Government, Law and 60 other categories.
Six Apart Advertising is leading in Arts & Entertainment, People & Society, News & Media, Computer & Electronics and 39 other categories.
InternetBrands is leading in most countries, including United States, United Kingdom, Canada, France and 15 other countries.
Six Apart Advertising is leading in Netherlands, Poland, Germany, Austria and 7 other countries.