DoubleClick Floodlight
213,244 websites

DoubleClick Floodlight is free to use

http://www.google.com/doubleclick/

Floodlight is an optional feature in DFA that allows advertisers to capture and report on the actions of users who visit their website after viewing or clicking on one of the advertiser's ads. For the implementation of Floodlight, Floodligh...

VS

Nielsen NetRatings
52,101 websites

Nielsen NetRatings costs money

http://nielsen.com

Nielsen is a leading global provider of information and insights into what consumers watch and buy. Nielsen is a information and measurement company with leading market positions in marketing and consumer information, television and othe...

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 Computers Electronics & Technology, Vehicles, Food & Drink, Finance and 18 other categories.

2 Nielsen NetRatings is leading in Games and Arts & Entertainment.

Geography

1 DoubleClick Floodlight is leading in most countries, including United States, Japan, Canada, Australia and 141 other countries.

2 Nielsen NetRatings is leading in Italy, Philippines, Bosnia and Herzegovina, Malta and 13 other countries.