Ad Butler is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Lijit has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, News & Media, Music & Audio and 110 other categories.
Ad Butler is leading in Business & Industry, Sports, Career & Education, Health and 61 other categories.
Ad Butler is leading in most countries, including United States, United Kingdom, Belarus, Canada and 60 other countries.
Lijit is leading in Indonesia, Philippines, Italy, Australia and 28 other countries.