AdAction is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
AdAction has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, People & Society, News & Media and 74 other categories.
Spring Metrics is leading in Shopping, Health, Travel, Autos & Vehicles and 54 other categories.
AdAction is leading in most countries, including Sweden, Norway, Netherlands, Denmark and 42 other countries.
Spring Metrics is leading in United States, Canada, United Kingdom, Australia and 21 other countries.