Market Share by Top Websites

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, Harren Media is clearly lagging behind, losing to GroupM Server in all segments.

Websites Categories

1 GroupM Server has better usage coverage in more websites categories. Including Business & Industry, Shopping, Autos & Vehicles, Food & Drink and 41 other categories.

2 Harren Media is leading in Arts & Entertainment, People & Society, TV & Video, Movies and 35 other categories.

Geography

1 GroupM Server is leading in most countries, including Poland, Germany, Denmark, Italy and 25 other countries.

2 Harren Media is leading in Brazil, Argentina, Mexico, India and 17 other countries.