Market Share by Top Websites

1 DoubleClick AdExchange 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 DoubleClick AdExchange in all segments.

Websites Categories

1 Vocus has better usage coverage in more websites categories. Including Business & Industry, People & Society, Health, Computer & Electronics and 57 other categories.

2 DoubleClick AdExchange is leading in News & Media, Travel, Arts & Entertainment, Tourism and 53 other categories.

Geography

1 DoubleClick AdExchange is leading in most countries, including Germany, United States, China, Netherlands and 37 other countries.

2 Vocus is leading in United Kingdom, Canada, Ukraine, Israel and 14 other countries.