Kelkoo
20 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...

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NetShelter
trend
4,007 websites

NetShelter is free to use

http://www.netshelter.com/

NetShelter manages targeted advertising with post click action tracking and provides banners and other advertising media.

Market Share by Top Websites

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

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

Websites Categories

1 NetShelter has better usage coverage in more websites categories. Including Internet & Telecom, Computer & Electronics, News & Media, Software and 77 other categories.

2 Kelkoo is leading in Children.

Geography

1 NetShelter is leading in most countries, including United States, Russia, United Kingdom, Canada and 51 other countries.

2 Kelkoo is leading in Switzerland.