In terms of market share, Spark Studios is clearly lagging behind, losing to Testnet in all segments.
Spark Studios has better usage coverage in more websites categories. Including Arts & Entertainment, Animation & Comics, Humor, Photography and 6 other categories.
Testnet is leading in Autos & Vehicles, Business & Industry, Beauty, Beauty & Fitness and one other category.
Spark Studios is leading in most countries, including United States, France, Australia and Brazil.
Testnet is leading in Belgium and Netherlands.