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, Shopping, Law & Government, Law and 132 other categories.

2 Nielsen NetRatings is leading in Business & Industry, Marketing & Advertising, Arts & Entertainment, People & Society and 94 other categories.


1 Omniture is leading in most countries, including United States, Japan, United Kingdom, Canada and 152 other countries.

2 Nielsen NetRatings is leading in Italy, Australia, Bulgaria, Greece and 25 other countries.