AdTotal is leading in Top 10K Sites and Top 100K Sites.
AdTotal has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Sports, Soccer and 27 other categories.
Kelkoo is leading in Shopping, Religion & Spirituality and Children.
Kelkoo is leading in most countries, including Portugal, Spain, Sweden, Brazil and 9 other countries.
AdTotal is leading in Poland, United States, Serbia, Russia and 4 other countries.