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 Despite its recent growth, Coremetrics is still behind Nielsen NetRatings in all market share segments.

Websites Categories

1 Nielsen NetRatings has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, News & Media, Marketing & Advertising and 184 other categories.

2 Coremetrics is leading in Finance, Banking, Clothing, Beauty & Fitness and 20 other categories.

Geography

1 Nielsen NetRatings is leading in most countries, including Italy, United States, Australia, Spain and 172 other countries.

2 Coremetrics is leading in Martinique, Réunion, South Georgia Island and Monaco.