Market Share by Top Websites

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

2 In terms of market share, Coremetrics is clearly lagging behind, losing to Nielsen NetRatings in all segments.

Websites Categories

1 Nielsen NetRatings has better usage coverage in more websites categories. Including Business & Industry, Marketing & Advertising, Arts & Entertainment, People & Society and 218 other categories.

2 Coremetrics is leading in Banking, Computer Hardware, Office Products, General Merchandise and 6 other categories.

Geography

1 Nielsen NetRatings is leading in most countries, including Italy, United States, Australia, Spain and 168 other countries.

2 Coremetrics is leading in Korea Republic, Burkina Faso, Barbados and Grenada.