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, Yahoo! Overture is clearly lagging behind, losing to Nielsen Display Ads in all segments.

Websites Categories

1 Yahoo! Overture has better usage coverage in more websites categories. Including Internet & Telecom, Domain Names & Register, Business & Industry, Arts & Entertainment and 195 other categories.

2 Nielsen Display Ads is leading in Autos & Vehicles, Chats & Forums, Cooking & Recipes, Makes & Models and 23 other categories.

Geography

1 Nielsen Display Ads is leading in most countries, including France, United States, United Kingdom, Canada and 148 other countries.

2 Yahoo! Overture is leading in Japan, Philippines, Hong Kong, Taiwan and 18 other countries.