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, ClustrMaps is clearly lagging behind, losing to Nielsen NetRatings in all segments.

Websites Categories

1 ClustrMaps has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Computer & Electronics, Career & Education and 11 other categories.

2 Nielsen NetRatings is leading in Business & Industry, News & Media, Sports, Shopping and 6 other categories.


1 ClustrMaps is leading in most countries, including Russia, Indonesia, Ukraine, Spain and 119 other countries.

2 Nielsen NetRatings is leading in United States, Italy, Australia, Germany and 51 other countries.