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, Arts & Entertainment, Marketing & Advertising, People & Society and 216 other categories.

2 Coremetrics is leading in Banking, Computer Hardware, Insurance, Office Products and 8 other categories.

Geography

1 Nielsen NetRatings is leading in most countries, including Italy, United States, Bulgaria, Australia and 173 other countries.

2 Coremetrics is leading in Montenegro, Cocos Islands, Guadeloupe, Mongolia and 4 other countries.