Market Share by Top Websites

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

Websites Categories

1 has better usage coverage in more websites categories. Including Business & Industry, Autos & Vehicles, Shopping, Car Buying and 34 other categories.

2 Open AdExchange is leading in Arts & Entertainment, Marketing & Advertising, Travel, Real Estate and 19 other categories.


1 is leading in most countries, including United States, Japan, Pakistan, Canada and 6 other countries.

2 Open AdExchange is leading in Denmark, Sweden, Slovakia and Guatemala.