AdAction is leading in Top 100K Sites and Top 1M Sites.
Specific Media has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Shopping, Computer & Electronics and 99 other categories.
AdAction is leading in Business & Industry, Marketing & Advertising, Science, Social Sciences and 36 other categories.
Specific Media is leading in most countries, including United States, United Kingdom, Spain, Denmark and 48 other countries.
AdAction is leading in Sweden, Norway, Netherlands, Germany and 24 other countries.