Kixer is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Silverpop has better usage coverage in more websites categories. Including Business & Industry, People & Society, Shopping, Death and 90 other categories.
Kixer is leading in Arts & Entertainment, News & Media, Sports, Games and 34 other categories.
Kixer is leading in most countries, including United States, Brazil, France, New Zealand and 28 other countries.
Silverpop is leading in Australia, Germany, Canada, Czech Republic and 23 other countries.