Market Share by Top Websites

1 Ad Spirit is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Undertone Networks is clearly lagging behind, losing to Ad Spirit in all segments.

Websites Categories

1 Ad Spirit has better usage coverage in more websites categories. Including Business & Industry, Sports, Arts & Entertainment, Shopping and 99 other categories.

2 Undertone Networks is leading in People & Society, News & Media, Religion & Spirituality, Law & Government and 31 other categories.


1 Undertone Networks is leading in most countries, including United States, United Kingdom, India, Japan and 18 other countries.

2 Ad Spirit is leading in Germany, Austria, France, Spain and 14 other countries.