Market Share by Top Websites

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

2 In terms of market share, Mass2 is clearly lagging behind, losing to AdAction in all segments.

Websites Categories

1 AdAction has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Shopping, People & Society and 118 other categories.

2 Mass2 is leading in Universities & Colleges, Chemicals, Online, Dentistry and one other category.


1 AdAction is leading in most countries, including Norway, Sweden, Netherlands, Denmark and 50 other countries.

2 Mass2 is leading in United States.