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 AdReactor has better usage coverage in more websites categories. Including Arts & Entertainment, Music & Audio, Internet & Telecom, Movies and 41 other categories.

2 Vocus is leading in Business & Industry, Health, Business Services, Travel and 25 other categories.


1 AdReactor is leading in most countries, including Indonesia, India, Montenegro, Brazil and 83 other countries.

2 Vocus is leading in United States, Bulgaria, Finland, Nepal and 2 other countries.