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 72 other categories.
OptiFuze is leading in Fitness, Newspapers and Baseball.
InternetBrands is leading in most countries, including United States, United Kingdom, Mexico, Russia and 22 other countries.
OptiFuze is leading in Denmark, France and Thailand.