Double.net is leading in Top 100K Sites and Top 1M Sites.
Double.net has better usage coverage in more websites categories. Including Business & Industry, Social Sciences, Science, Internet & Telecom and 52 other categories.
WebTrends Ads is leading in Law, Law & Government, Mental Health, Computer Hardware and 3 other categories.
Double.net is leading in most countries, including Sweden, United States, Niue, United Kingdom and 18 other countries.
WebTrends Ads is leading in Japan, Canada, Switzerland, Saudi Arabia and 7 other countries.