GSI Media is leading in Top 100K Sites.
Spark Studios has better usage coverage in more websites categories. Including Arts & Entertainment, Photography, Career & Education, Gambling and 6 other categories.
GSI Media is leading in Internet & Telecom, Computer & Electronics, News & Media, Shopping and 3 other categories.
GSI Media is leading in most countries, including United States, Canada, China, Bulgaria and 2 other countries.
Spark Studios is leading in France, Brazil, South Korea and Germany.