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, Tremor 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 Arts & Entertainment, People & Society, Business & Industry, Internet & Telecom and 58 other categories.

2 Tremor Media is leading in Adult, Nutrition, Online, Celebrities & Entertainment News and 10 other categories.

Geography

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

2 Tremor Media is leading in United States, Japan, India, Russia and 9 other countries.