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, InsightExpress 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, People & Society and 203 other categories.

2 InsightExpress is leading in Weight Loss, Insurance, Aerospace & Defence and Fish & Aquaria.


1 Nielsen NetRatings is leading in most countries, including Italy, United States, Russia, Australia and 180 other countries.

2 InsightExpress hasn't got a lead over Nielsen NetRatings in any country.