AdBuyer.com is leading in Top 1M Sites.
AdBuyer.com has better usage coverage in more websites categories. Including Business & Industry, Shopping, Career & Education, Arts & Entertainment and 65 other categories.
Spark Studios is leading in Video Games, Photography, Humor, Antiques & Collectibles and 3 other categories.
AdBuyer.com is leading in most countries, including United States, Israel, Greece, China and 14 other countries.
Spark Studios hasn't got a lead over AdBuyer.com in any country.