In terms of market share, AdTotal is clearly lagging behind, losing to Kelkoo in all segments.
AdTotal has better usage coverage in more websites categories. Including Business & Industry, Sports, Arts & Entertainment, Internet & Telecom and 23 other categories.
Kelkoo is leading in Shopping.
Kelkoo is leading in most countries, including Spain, Portugal, Austria, Italy and one other country.
AdTotal is leading in Poland and United States.