i-system is leading in Top 100K Sites and Top 1M Sites.
i-system has better usage coverage in more websites categories. Including Shopping, Business & Industry, Clothing, Career & Education and 29 other categories.
Mozu is leading in Sports, Jewelry, Health, Sports and 29 other categories.
Mozu is leading in most countries, including United States, United Kingdom, Mexico, Turkey and 20 other countries.
i-system is leading in Poland, Malaysia, Spain, Argentina and 8 other countries.