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

Websites Categories

1 AdOnion has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Movies, Internet & Telecom and 63 other categories.

2 GroupM Server is leading in Business & Industry, Shopping, Autos & Vehicles, Food & Drink and 29 other categories.


1 AdOnion is leading in most countries, including India, Indonesia, Turkey, Canada and 25 other countries.

2 GroupM Server is leading in Poland, Germany, Denmark, United States and 22 other countries.