Market Share by Top Websites

1 Vocus is leading in Top 100K Sites and Top 1M Sites.

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

Websites Categories

1 Vocus has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Shopping, People & Society and 53 other categories.

2 Open AdExchange is leading in Newspapers, Textiles & Nonwovens, Auctions, Office Products and one other category.


1 Vocus is leading in most countries, including United States, United Kingdom, Ukraine, India and 28 other countries.

2 Open AdExchange is leading in Denmark, Azerbaijan, Slovakia and Sweden.