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 38 other categories.

2 Harren Media is leading in Arts & Entertainment, People & Society, TV & Video, Movies and 29 other categories.

Geography

1 GroupM Server is leading in most countries, including Poland, Germany, Denmark, United Kingdom and 22 other countries.

2 Harren Media is leading in Brazil, Spain, Argentina, Indonesia and 20 other countries.