GSI Media is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Spark Studios has better usage coverage in more websites categories. Including Arts & Entertainment, Computer & Electronics, Software, People & Society and 17 other categories.
GSI Media is leading in Shopping, Clothing, Internet & Telecom, Children and 5 other categories.
Spark Studios is leading in most countries, including France, Colombia, Hungary, Australia and 3 other countries.
GSI Media is leading in United States, Mexico, Canada, Venezuela and 2 other countries.