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, Marketing & Advertising and 110 other categories.

2 Woopra is leading in Shopping, Internet & Telecom, Computer & Electronics, Software and 98 other categories.


1 Nielsen NetRatings is leading in most countries, including Italy, United States, Australia, Russia and 130 other countries.

2 Woopra is leading in Japan, India, Turkey, Israel and 43 other countries.