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, GroupM Server 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, Shopping, Arts & Entertainment, Social Sciences and 101 other categories.

2 GroupM Server is leading in Makes & Models, Video Games, Telecommunications, Law and 3 other categories.

Geography

1 AdAction is leading in most countries, including Norway, Sweden, Netherlands, Denmark and 47 other countries.

2 GroupM Server is leading in Poland, Australia, Croatia, Mexico and 5 other countries.