Conversant Ad Server
1,850 websites

Conversant Ad Server costs money

http://www.conversantmedia.com/mediaplex/

The Conversant Ad Server helps advertisers deliver across channels, with a dedicated team and full-service support.

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Underdog Media
3,858 websites

Underdog Media is free to use

http://underdogmedia.com

Based in Santa Barbara, California, Underdog Media was founded in 2007 by Shayne Mihalka, a former executive at ValueClick Media and FastClick.com. The proprietary ad serving technology was carefully designed to be simple to use, efficie...

Market Share by Top Websites

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

2 In terms of market share, Conversant Ad Server is clearly lagging behind, losing to Underdog Media in all segments.

Websites Categories

1 Underdog Media has better usage coverage in more websites categories. Including News & Media, Arts & Entertainment, Science & Education, Games and 16 other categories.

2 Conversant Ad Server is leading in Computers Electronics & Technology, Finance, Travel & Tourism and Heavy Industry & Engineering.

Geography

1 Underdog Media is leading in most countries, including United States, Poland, Romania, Malaysia and 74 other countries.

2 Conversant Ad Server is leading in United Kingdom, France, Italy, China and 24 other countries.