Market Share by Top Websites

2 is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

Websites Categories

1 has better usage coverage in more websites categories. Including Business & Industry, Autos & Vehicles, Car Buying, Health and 36 other categories.

2 Open AdExchange is leading in Arts & Entertainment, Marketing & Advertising, Music & Audio, Real Estate and 15 other categories.


1 is leading in most countries, including United States, Japan, Germany, Ukraine and 6 other countries.

2 Open AdExchange is leading in Denmark, Norway and Sweden.