Coveo is leading in Top 100K Sites and Top 1M Sites.
Coveo has better usage coverage in more websites categories. Including Business & Industry, Health, Shopping, Law & Government and 49 other categories.
Zettata hasn't got a lead over Coveo in any websites category.
Coveo is leading in most countries, including United States, Canada, United Kingdom, Australia and 25 other countries.
Zettata is leading in India.