Hexagram is leading in Top 100K Sites.
Open AdExchange has better usage coverage in more websites categories. Including Business & Industry, Shopping, People & Society, Internet & Telecom and 27 other categories.
Hexagram is leading in Arts & Entertainment, Humor, Adult, News & Media and 7 other categories.
Open AdExchange is leading in most countries, including Denmark, Sweden, Ukraine, Russia and 4 other countries.
Hexagram is leading in United States, Canada, Australia, Iran and one other country.