BridgeTrack is leading in 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.
GSI Media is leading in Shopping, Internet & Telecom, Clothing, Children and 3 other categories.
BridgeTrack is leading in most countries, including United States, Canada, France, United Kingdom and 11 other countries.
GSI Media is leading in Brazil and Netherlands.