GSI Media is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
GSI Media has better usage coverage in more websites categories. Including Shopping, Internet & Telecom, Computer & Electronics, Clothing and 8 other categories.
Testnet is leading in Business & Industry, Autos & Vehicles, Sports, Pets and 8 other categories.
GSI Media is leading in most countries, including United States, Brazil, Netherlands and Canada.
Testnet is leading in Belgium.