Market Share by Top Websites

1 GroupM Server is leading in Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, StackAdapt 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 Arts & Entertainment, People & Society, Business & Industry, Internet & Telecom and 55 other categories.

2 StackAdapt is leading in Motorcycles, Investing, Cycling & Biking and Social Network.


1 GroupM Server is leading in most countries, including Poland, Germany, Denmark, United States and 33 other countries.

2 StackAdapt is leading in Canada, Egypt, United Arab Emirates, Saudi Arabia and 2 other countries.