AdAction is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Specific Media has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Computer & Electronics, Internet & Telecom and 95 other categories.
AdAction is leading in Business & Industry, Shopping, Marketing & Advertising, Social Sciences and 44 other categories.
Specific Media is leading in most countries, including United States, United Kingdom, Spain, Denmark and 47 other countries.
AdAction is leading in Sweden, Norway, Netherlands, Germany and 20 other countries.