Ceros is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Ceros has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Shopping, Finance and 62 other categories.
Whichit is leading in Soccer.
Ceros is leading in most countries, including United States, United Kingdom, South Africa, Spain and 34 other countries.
Whichit hasn't got a lead over Ceros in any country.