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

Burst Media
305 websites

Burst Media is free to use

http://www.burstmedia.com/

Internet advertising network representing specialty-content web sites.

Market Share by Top Websites

1 AdBrite is leading in The Entire Web.

2 Burst Media is leading in Top 1M Sites.

Websites Categories

1 AdBrite has better usage coverage in more websites categories. Including Computers Electronics & Technology, Adult, Science & Education, Games and 9 other categories.

2 Burst Media is leading in Arts & Entertainment, Food & Drink, Sports, Vehicles and 4 other categories.

Geography

1 AdBrite is leading in most countries, including United States, India, United Kingdom, Philippines and 61 other countries.

2 Burst Media is leading in Poland, Cyprus, Ecuador, Estonia and 5 other countries.