1
GroupM Server is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
2
In terms of market share, Open AdExchange is clearly lagging behind, losing to GroupM Server in all segments.
1
GroupM Server has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Business & Industry, Internet & Telecom and 61 other categories.
2
Open AdExchange is leading in Real Estate, Office Products, Auctions, Astronomy and 7 other categories.
1
GroupM Server is leading in most countries, including Poland, Germany, Denmark, United States and 32 other countries.
2
Open AdExchange is leading in Norway.