Market Share by Top Websites

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

2 In terms of market share, Vocus is clearly lagging behind, losing to AdReactor in all segments.

Websites Categories

1 Vocus has better usage coverage in more websites categories. Including Business & Industry, People & Society, Health, News & Media and 76 other categories.

2 AdReactor is leading in Arts & Entertainment, Music & Audio, Internet & Telecom, Movies and 29 other categories.


1 AdReactor is leading in most countries, including Indonesia, India, Brazil, Germany and 59 other countries.

2 Vocus is leading in United States, Canada, Netherlands, Cayman Islands and 8 other countries.