Market Share by Top Websites

1 Nielsen NetRatings is leading in The Entire Web.

2 Omniture is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

Websites Categories

1 Omniture has better usage coverage in more websites categories. Including Autos & Vehicles, Arts & Entertainment, Shopping, Law & Government and 138 other categories.

2 Nielsen NetRatings is leading in Business & Industry, Marketing & Advertising, People & Society, Food & Drink and 89 other categories.


1 Omniture is leading in most countries, including United States, Japan, United Kingdom, Canada and 153 other countries.

2 Nielsen NetRatings is leading in Italy, Australia, Bulgaria, Greece and 23 other countries.