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, AdSide 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, Business & Industry, Internet & Telecom, Shopping and 45 other categories.

2 AdSide is leading in People & Society, Autos & Vehicles, News & Media, Computer & Electronics and 34 other categories.


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

2 AdSide is leading in United States, India, Brazil, Philippines and 10 other countries.