BridgeTrack is leading in Top 100K Sites and Top 1M Sites.
BridgeTrack has better usage coverage in more websites categories. Including Arts & Entertainment, Finance, Travel, Music & Audio and 33 other categories.
Visible Measures hasn't got a lead over BridgeTrack in any websites category.
BridgeTrack is leading in most countries, including United States, Canada, France, Japan and 11 other countries.
Visible Measures is leading in Kenya.