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

Cobalt Group
296 websites

Cobalt Group is free to use

http://www.cobalt.com/

Cobalt, an ADP Dealer Services company, is uniquely capable of delivering seamless ... Viva Chevrolet recommends Cobalts Reputation Management Solution ...

Market Share by Top Websites

1 AdBrite is leading in The Entire Web.

2 Cobalt Group is leading in Top 100K Sites.

Websites Categories

1 AdBrite has better usage coverage in more websites categories. Including Computers Electronics & Technology, Arts & Entertainment, Adult, Science & Education and 17 other categories.

2 Cobalt Group is leading in Vehicles.

Geography

1 AdBrite is leading in most countries, including India, United Kingdom, Philippines, Canada and 66 other countries.

2 Cobalt Group is leading in Pakistan, Turkey, Ukraine, Cameroon and one other country.