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

Websites Categories

1 Adservice Media has better usage coverage in more websites categories. Including Internet & Telecom, Business & Industry, Finance, Shopping and 77 other categories.

2 GroupM Server is leading in Arts & Entertainment, People & Society, Autos & Vehicles, Music & Audio and 24 other categories.


1 GroupM Server is leading in most countries, including Poland, Germany, Austria, Spain and 27 other countries.

2 Adservice Media is leading in Denmark, Norway, Sweden, Finland and 11 other countries.