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 59 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, Russia, Canada and 17 other countries.
Six Apart Advertising is leading in Brazil, Switzerland, Portugal, Japan and 9 other countries.