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, Shopping and 99 other categories.
Adfusion is leading in Real Estate, Email, Government, Law & Government and 6 other categories.
AdAction is leading in most countries, including Sweden, Norway, Netherlands, Denmark and 49 other countries.
Adfusion is leading in United States, Canada, Puerto Rico and Greece.