AdBuyer.com is leading in Top 1M Sites.
AdBuyer.com has better usage coverage in more websites categories. Including Business & Industry, Shopping, Career & Education, Internet & Telecom and 61 other categories.
Open AdExchange is leading in Real Estate, News & Media, Performing Arts, Visual Arts & Design and 6 other categories.
AdBuyer.com is leading in most countries, including United States, Israel, Malaysia, United Kingdom and 16 other countries.
Open AdExchange is leading in Denmark, Guatemala, India, Cote d Ivoire and 2 other countries.