Mercent is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Undertone Networks has better usage coverage in more websites categories. Including People & Society, News & Media, Business & Industry, Arts & Entertainment and 68 other categories.
Mercent is leading in Shopping, Clothing, Home & Garden, Games and 37 other categories.
Mercent is leading in most countries, including Canada, Spain, Australia, Peru and 67 other countries.
Undertone Networks is leading in United States, United Kingdom, Germany, Japan and 10 other countries.