Advert Stream is leading in Top 1M Sites.
Advert Stream has better usage coverage in more websites categories. Including Arts & Entertainment, Games, Internet & Telecom, Online and 60 other categories.
Kelkoo hasn't got a lead over Advert Stream in any websites category.
Advert Stream is leading in most countries, including France, Belgium, United States, Morocco and 27 other countries.
Kelkoo is leading in Czech Republic, Denmark, Finland, Germany and 5 other countries.