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, Internet & Telecom, Computer & Electronics and 89 other categories.
AdAction is leading in Business & Industry, Shopping, Marketing & Advertising, Science and 56 other categories.
Specific Media is leading in most countries, including United States, Great Britain, Denmark, Spain and 66 other countries.
AdAction is leading in Sweden, Norway, Netherlands, Finland and 15 other countries.