Market Share by Top Websites

1 DoubleClick Floodlight is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Nielsen NetRatings is clearly lagging behind, losing to DoubleClick Floodlight in all segments.

Websites Categories

1 DoubleClick Floodlight has better usage coverage in more websites categories. Including Autos & Vehicles, Car Buying, Shopping, Travel and 131 other categories.

2 Nielsen NetRatings is leading in Business & Industry, Arts & Entertainment, Marketing & Advertising, People & Society and 97 other categories.

Geography

1 DoubleClick Floodlight is leading in most countries, including United States, United Kingdom, Canada, Australia and 145 other countries.

2 Nielsen NetRatings is leading in Italy, Bulgaria, Greece, Indonesia and 19 other countries.