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, Arts & Entertainment, People & Society, Health and 73 other categories.

2 DoubleClick AdExchange is leading in News & Media, Travel, Tourism, Autos & Vehicles and 24 other categories.

Geography

1 DoubleClick AdExchange is leading in most countries, including United States, Germany, China, Turkey and 34 other countries.

2 Vocus is leading in Canada, India, Russia, Israel and 13 other countries.