Ad Butler is leading in Top 100K Sites and Top 1M Sites.
Ad Butler has better usage coverage in more websites categories. Including Business & Industry, News & Media, Sports, Career & Education and 106 other categories.
Double.net is leading in Arts & Entertainment, People & Society, Internet & Telecom, Science and 42 other categories.
Ad Butler is leading in most countries, including United States, United Kingdom, Belarus, Canada and 82 other countries.
Double.net is leading in Sweden and Malta.