Spark Studios is leading in Top 100K Sites.
Spark Studios has better usage coverage in more websites categories. Including Arts & Entertainment, Computer & Electronics, Adult, People & Society and 17 other categories.
Testnet is leading in Business & Industry, Shopping, Internet & Telecom, Autos & Vehicles and 9 other categories.
Spark Studios is leading in most countries, including United States, France and Czech Republic.
Testnet is leading in Belgium.