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, Woopra 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, News & Media, People & Society and 11 other categories.

2 Woopra is leading in Shopping, Internet & Telecom, Computer & Electronics, Career & Education and 5 other categories.


1 Nielsen NetRatings is leading in most countries, including United States, Italy, Russia, Australia and 146 other countries.

2 Woopra is leading in Japan, Israel, Lebanon, Kenya and 19 other countries.