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, OptiFuze 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 66 other categories.

2 OptiFuze is leading in Baseball, Beauty & Fitness and Fitness.


1 GroupM Server is leading in most countries, including Poland, Germany, Denmark, Italy and 34 other countries.

2 OptiFuze hasn't got a lead over GroupM Server in any country.