AdBuyer.com is leading in Top 1M Sites.
AdBuyer.com has better usage coverage in more websites categories. Including Business & Industry, Shopping, Career & Education, People & Society and 69 other categories.
Visible Measures hasn't got a lead over AdBuyer.com in any websites category.
AdBuyer.com is leading in most countries, including United States, Japan, Canada, China and 12 other countries.
Visible Measures is leading in Russia and Netherlands.