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 74 other categories.
Simple AdServer is leading in Web Hosting, Software and Sports.
InternetBrands is leading in most countries, including United States, United Kingdom, Russia, Canada and 19 other countries.
Simple AdServer is leading in Hungary and Slovakia.