ClearSaleing is leading in Top 100K Sites and Top 1M Sites.
ClearSaleing has better usage coverage in more websites categories. Including Travel, Shopping, Business & Industry, Finance and 2 other categories.
Zeta Search is leading in Autos & Vehicles.
ClearSaleing is leading in most countries, including United States, Canada, France, United Kingdom and 14 other countries.
Zeta Search is leading in India.