ClearSaleing is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
ClearSaleing has better usage coverage in more websites categories. Including Travel, Accommodation & Hotels, Shopping, Business & Industry and 44 other categories.
Zeta Search is leading in Online Marketing, Investing, Career & Education, Social Network and 5 other categories.
ClearSaleing is leading in most countries, including United States, Canada, United Kingdom, France and 24 other countries.
Zeta Search hasn't got a lead over ClearSaleing in any country.