Meta Network is leading in Top 1M Sites.
Meta Network has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Music & Audio, News & Media and 18 other categories.
Open AdExchange is leading in Business & Industry, Shopping, Marketing & Advertising, Real Estate and 17 other categories.
Meta Network is leading in most countries, including Mexico, Spain, Brazil, Argentina and 12 other countries.
Open AdExchange is leading in Denmark, Norway and Sweden.