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, ContentClick is clearly lagging behind, losing to GroupM Server in all segments.

Websites Categories

1 ContentClick has better usage coverage in more websites categories. Including Sports, News & Media, Soccer, Travel and 48 other categories.

2 GroupM Server is leading in Arts & Entertainment, People & Society, Business & Industry, Internet & Telecom and 45 other categories.


1 GroupM Server is leading in most countries, including Germany, Poland, Denmark, Spain and 28 other countries.

2 ContentClick is leading in United Kingdom, United States, India, Russia and 15 other countries.