Market Share by Top Websites

1 GroupM Server is leading in The Entire Web.

2 Centro is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

Websites Categories

1 Centro has better usage coverage in more websites categories. Including News & Media, Business & Industry, Travel, Autos & Vehicles and 94 other categories.

2 GroupM Server is leading in Arts & Entertainment, People & Society, Internet & Telecom, Movies and 28 other categories.

Geography

1 Centro is leading in most countries, including United States, Canada, United Kingdom, France and 22 other countries.

2 GroupM Server is leading in Poland, Germany, Denmark, Spain and 14 other countries.