AdServerPub is leading in Top 1M Sites.
AdServerPub has better usage coverage in more websites categories. Including Arts & Entertainment, Shopping, People & Society, Business & Industry and 53 other categories.
Open AdExchange is leading in Newspapers, Sports, Marketing & Advertising, Textiles & Nonwovens and 2 other categories.
AdServerPub is leading in most countries, including France, Morocco, Canada, Belgium and 39 other countries.
Open AdExchange is leading in Denmark, Norway and Sweden.