Market Share by Top Websites

1 AdReactor is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, GroupM Server is clearly lagging behind, losing to AdReactor in all segments.

Websites Categories

1 AdReactor has better usage coverage in more websites categories. Including Arts & Entertainment, Music & Audio, Internet & Telecom, Movies and 38 other categories.

2 GroupM Server is leading in Autos & Vehicles, Games, Makes & Models, Video Games and 24 other categories.

Geography

1 AdReactor is leading in most countries, including Indonesia, India, United States, Russia and 70 other countries.

2 GroupM Server is leading in Poland, Germany, Italy, Denmark and 4 other countries.