AdAction is leading in Top 100K Sites and Top 1M Sites.
AdAction has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, People & Society, Internet & Telecom and 72 other categories.
Spring Metrics is leading in Shopping, Travel, Accommodation & Hotels, Health and 56 other categories.
AdAction is leading in most countries, including Sweden, Norway, Netherlands, Denmark and 35 other countries.
Spring Metrics is leading in United States, Canada, India, Australia and 20 other countries.