Market Share by Top Websites

1 GroupM Server is leading in The Entire Web.

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

Websites Categories

1 AdvertServe has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Business & Industry, Shopping and 131 other categories.

2 GroupM Server is leading in Games, Web Hosting, Marketing & Advertising, Clothing and 9 other categories.


1 AdvertServe is leading in most countries, including Russia, South Georgia Island, Turkey, United States and 82 other countries.

2 GroupM Server is leading in Germany, Poland, Denmark, Ireland and 7 other countries.