Market Share by Top Websites

1 Nielsen NetRatings is leading in Top 10K Sites, Top 100K Sites and The Entire Web.

2 DoubleClick Floodlight is leading in Top 1M Sites.

Websites Categories

1 Nielsen NetRatings has better usage coverage in more websites categories. Including Business & Industry, Marketing & Advertising, Arts & Entertainment, People & Society and 137 other categories.

2 DoubleClick Floodlight is leading in Autos & Vehicles, Car Buying, Travel, Accommodation & Hotels and 84 other categories.

Geography

1 DoubleClick Floodlight is leading in most countries, including United States, United Kingdom, Canada, France and 102 other countries.

2 Nielsen NetRatings is leading in Italy, Spain, Bulgaria, Greece and 73 other countries.