Adverline is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Adverline has better usage coverage in more websites categories. Including Travel, Tourism, Arts & Entertainment, Business & Industry and 65 other categories.
Kelkoo hasn't got a lead over Adverline in any websites category.
Adverline is leading in most countries, including France, Portugal, Germany, Russia and 33 other countries.
Kelkoo is leading in Czech Republic, Denmark, Finland, Austria and 3 other countries.