BridgeTrack is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
BridgeTrack has better usage coverage in more websites categories. Including Arts & Entertainment, Travel, Finance, Music & Audio and 31 other categories.
Spark Studios is leading in Adult, Video Games, Games, Basketball and 11 other categories.
BridgeTrack is leading in most countries, including United States, Canada, France, Germany and 11 other countries.
Spark Studios is leading in Czech Republic.