Market Share by Top Websites

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

2 SwitchAds is leading in Top 1M Sites.

Websites Categories

1 SwitchAds has better usage coverage in more websites categories. Including Arts & Entertainment, Internet & Telecom, News & Media, Sports and 65 other categories.

2 GroupM Server is leading in People & Society, Business & Industry, Autos & Vehicles, Movies and 37 other categories.


1 SwitchAds is leading in most countries, including United States, United Kingdom, Bulgaria, Spain and 46 other countries.

2 GroupM Server is leading in Poland, Germany, Denmark, Australia and 12 other countries.