Medley is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Medley has better usage coverage in more websites categories. Including Adult, People & Society, Relationships & Dating, Internet & Telecom and 33 other categories.
Open AdExchange is leading in Sports, Tourism, Sports, Office Products and 6 other categories.
Medley is leading in most countries, including United States, Mexico, India, Germany and 73 other countries.
Open AdExchange is leading in Denmark, Norway and Latvia.