AdTotal is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
AdTotal has better usage coverage in more websites categories. Including Business & Industry, Sports, Arts & Entertainment, Internet & Telecom and 18 other categories.
Spark Studios is leading in Gambling, Lottery, Shopping, Antiques & Collectibles and 7 other categories.
Spark Studios is leading in most countries, including United States, France and Argentina.
AdTotal is leading in Poland and Germany.