GSI Media is leading in Top 100K Sites.
Open AdExchange has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, People & Society, Shopping and 28 other categories.
GSI Media is leading in Computer & Electronics, Software, Children, Sports and 2 other categories.
GSI Media is leading in most countries, including United States, Germany, Canada, China and 5 other countries.
Open AdExchange is leading in Denmark, Sweden, Poland, Norway and 3 other countries.