Market Share by Top Websites

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

Websites Categories

1 SpotX has better usage coverage in more websites categories. Including Arts & Entertainment, News & Media, Autos & Vehicles, Sports and 67 other categories.

2 Undertone Networks is leading in People & Society, Business & Industry, Religion & Spirituality, Shopping and 45 other categories.


1 SpotX is leading in most countries, including United States, Germany, Netherlands, Spain and 38 other countries.

2 Undertone Networks is leading in Canada, Japan, Australia, Poland and 10 other countries.