Market Share by Top Websites

1 AppNexus is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Cobalt Group is clearly lagging behind, losing to AppNexus in all segments.

Websites Categories

1 AppNexus has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Internet & Telecom, Business & Industry and 222 other categories.

2 Cobalt Group is leading in Autos & Vehicles, Car Buying, Automotive Industry and College & University Press.


1 AppNexus is leading in most countries, including France, United States, Sweden, United Kingdom and 163 other countries.

2 Cobalt Group hasn't got a lead over AppNexus in any country.