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, Arts & Entertainment and 59 other categories.
Page Peel Ads is leading in Social Network.
Double.net is leading in most countries, including Sweden, Norway, Niue, United States and 22 other countries.
Page Peel Ads is leading in Canada, Australia and Argentina.