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, Arts & Entertainment, Sports and 95 other categories.
Specific Media is leading in People & Society, Shopping, Computer & Electronics, Internet & Telecom and 63 other categories.
Ad Butler is leading in most countries, including United States, Belarus, Canada, Germany and 56 other countries.
Specific Media is leading in United Kingdom, Denmark, India, France and 23 other countries.