Market Share by Top Websites

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

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

Websites Categories

1 GroupM Server has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Business & Industry, Internet & Telecom and 47 other categories.

2 CTnetwork is leading in News & Media, TV & Video, Adult, Humor and 23 other categories.


1 GroupM Server is leading in most countries, including Poland, Germany, Denmark, Spain and 35 other countries.

2 CTnetwork is leading in Hungary, Romania, Serbia, Japan and one other country.