Market Share by Top Websites

1 Nielsen Display 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 Nielsen Display Ads in all segments.

Websites Categories

1 Nielsen Display Ads has better usage coverage in more websites categories. Including Arts & Entertainment, Autos & Vehicles, Internet & Telecom, Music & Audio and 159 other categories.

2 Vocus is leading in Business Services, Products & Shopping, Accounting, Furniture and 10 other categories.

Geography

1 Nielsen Display Ads is leading in most countries, including France, United States, Belgium, United Kingdom and 151 other countries.

2 Vocus is leading in Eritrea and Jamaica.