Market Share by Top Websites

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

2 Despite its recent growth, AdReactor is still behind SpotX in all market share segments.

Websites Categories

1 SpotX has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, News & Media, Internet & Telecom and 231 other categories.

2 AdReactor is leading in Wholesale Trade and Grants & Scholarships.


1 SpotX is leading in most countries, including United States, France, Germany, Spain and 174 other countries.

2 AdReactor is leading in Indonesia and Liechtenstein.