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, Topsy 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, Business & Industry, Car Buying, Travel and 206 other categories.

2 Topsy is leading in Religion & Spirituality, Adult, Programming, Books & Literature and 17 other categories.

Geography

1 DoubleClick Floodlight is leading in most countries, including United States, United Kingdom, Canada, Australia and 165 other countries.

2 Topsy is leading in Sierra Leone and Somalia.