AdSide
14 websites

AdSide costs money

http://www.AdSide.com

AdSide is a premium pay-per-click ad network serving tier-1 content publishers, advertisers and media agencies. It offers a better, simpler platform that delivers highly-targeted text ads within a controlled environment of quality content...

VS

Kelkoo
0 websites

Kelkoo is free to use

http://developer.kelkoo.com

The Kelkoo Shopping and Travel APIs uses Kelkoo data for shopping and travel price comparison. Search the database of thousands of merchants and also get user reviews. Search for products by keyword, sort results, compare products and price...

Market Share by Top Websites

2 In terms of market share, AdSide is clearly lagging behind, losing to Kelkoo in all segments.

Websites Categories

1 AdSide has better usage coverage in more websites categories. Including Reference Materials, Adult, Arts & Entertainment, Computers Electronics & Technology and 4 other categories.

2 Kelkoo hasn't got a lead over AdSide in any websites category.

Geography

1 AdSide is leading in most countries, including United States, Hong Kong, New Zealand, Philippines and 2 other countries.

2 Kelkoo hasn't got a lead over AdSide in any country.