AdBrite
700 websites

AdBrite is free to use

http://adbrite.com

AdBrite labels itself as the internet's ad marketplace. It provides interstitials and banner ads on a cost per mille (thousand) basis, and text ads on either cost per click or cost per action.

VS

DoubleClick AdExchange
2,062 websites

DoubleClick AdExchange is free to use

http://www.doubleclick.com

Google DoubleClick Ad Exchange is a service for managing multiple monetization sources of online display advertising inventory.

Market Share by Top Websites

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

2 In terms of market share, AdBrite is clearly lagging behind, losing to DoubleClick AdExchange in all segments.

Websites Categories

1 DoubleClick AdExchange has better usage coverage in more websites categories. Including News & Media, Arts & Entertainment, Science & Education, Food & Drink and 19 other categories.

2 AdBrite is leading in Adult.

Geography

1 DoubleClick AdExchange is leading in most countries, including United States, France, Germany, Turkey and 59 other countries.

2 AdBrite is leading in India, United Kingdom, Philippines, Indonesia and 31 other countries.