Market Share by Top Websites

1 Carbon Ads 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 Carbon Ads 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 Carbon Ads is leading in Computer & Electronics, Internet & Telecom, Programming, Software and 18 other categories.


1 Carbon Ads is leading in most countries, including United States, Japan, China, India and 35 other countries.

2 Vocus is leading in United Kingdom, Canada, France, Germany and 16 other countries.