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, W3Counter 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, Marketing & Advertising, Arts & Entertainment, People & Society and 212 other categories.

2 W3Counter is leading in Relationships & Dating, Online, Mental Health, History and 10 other categories.

Geography

1 Nielsen NetRatings is leading in most countries, including Italy, United States, Australia, Spain and 153 other countries.

2 W3Counter is leading in Iran, Haiti, Mongolia, Tanzania and 10 other countries.