Korrelate is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
zapunited has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Adult, Photography and 59 other categories.
Korrelate is leading in Autos & Vehicles, Car Buying, Automotive Industry, Business & Industry and 20 other categories.
zapunited is leading in most countries, including India, Germany, Indonesia, Russia and 11 other countries.
Korrelate is leading in United States, Canada, Spain, Mexico and 10 other countries.