Market Share by Top Websites

1 GroupM Server is leading in The Entire Web.

2 Ad Butler is leading in Top 100K Sites and Top 1M Sites.

Websites Categories

1 Ad Butler has better usage coverage in more websites categories. Including Business & Industry, News & Media, Arts & Entertainment, Music & Audio and 121 other categories.

2 GroupM Server is leading in People & Society, Games, Movies, Video Games and 16 other categories.

Geography

1 Ad Butler is leading in most countries, including United States, Belarus, United Kingdom, Canada and 68 other countries.

2 GroupM Server is leading in Poland, Germany, Denmark, Austria and 6 other countries.