AdBuyer.com is leading in Top 100K Sites and Top 1M Sites.
AdBuyer.com has better usage coverage in more websites categories. Including Business & Industry, Shopping, Career & Education, Arts & Entertainment and 63 other categories.
Hexagram is leading in Adult, News & Media, Humor, Magazines & E-Zines and one other category.
AdBuyer.com is leading in most countries, including United States, Israel, Australia, Canada and 11 other countries.
Hexagram is leading in Ukraine and Czech Republic.