Optimatic is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Optimatic has better usage coverage in more websites categories. Including Arts & Entertainment, Games, Video Games, Business & Industry and 19 other categories.
Spark Studios is leading in Computer & Electronics, Adult, Animation & Comics, Movies and 11 other categories.
Optimatic is leading in most countries, including United States, United Kingdom, Israel, Canada and 8 other countries.
Spark Studios is leading in Bulgaria, France and Russia.