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 53 other categories.
WebTrends Ads is leading in Motorcycles, Industrial Goods & Services, Computer Hardware, Law & Government and one other category.
Double.net is leading in most countries, including Sweden, Niue, United Kingdom, Norway and 19 other countries.
WebTrends Ads is leading in United States, Tunisia, Poland, Peru and 4 other countries.