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

Websites Categories

1 Adfusion has better usage coverage in more websites categories. Including Business & Industry, Real Estate, Finance, News & Media and 43 other categories.

2 GroupM Server is leading in Arts & Entertainment, People & Society, Shopping, Movies and 42 other categories.


1 GroupM Server is leading in most countries, including Poland, Germany, Denmark, United Kingdom and 26 other countries.

2 Adfusion is leading in United States, Canada, Romania, Philippines and 11 other countries.