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, WebTrends 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, Marketing & Advertising, Arts & Entertainment, People & Society and 168 other categories.

2 WebTrends is leading in Internet & Telecom, Health, Law & Government, Law and 54 other categories.

Geography

1 WebTrends is leading in most countries, including Portugal, Belgium, United Kingdom, Canada and 88 other countries.

2 Nielsen NetRatings is leading in Italy, United States, Australia, Spain and 77 other countries.