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 GroupM Server has better usage coverage in more websites categories. Including People & Society, Business & Industry, Shopping, Autos & Vehicles and 41 other categories.

2 AdReactor is leading in Arts & Entertainment, Music & Audio, Internet & Telecom, Computer & Electronics and 28 other categories.

Geography

1 AdReactor is leading in most countries, including Indonesia, India, United States, Brazil and 56 other countries.

2 GroupM Server is leading in Poland, Germany, Denmark, Austria and 9 other countries.