Market Share by Top Websites

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

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

Websites Categories

1 MediaMath has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Shopping, Food & Drink and 218 other categories.

2 AdReactor is leading in File Sharing and Grants & Scholarships.


1 MediaMath is leading in most countries, including Japan, United States, France, Brazil and 159 other countries.

2 AdReactor is leading in Indonesia, Tokelau, Montenegro, Gabon and 13 other countries.