GSI Media is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Testnet has better usage coverage in more websites categories. Including Sports, Business & Industry, Soccer, Beauty & Fitness and 6 other categories.
GSI Media is leading in Shopping, Clothing, Sports, Children and 3 other categories.
GSI Media is leading in most countries, including United States and Mexico.
Testnet is leading in Belgium.