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 32 other categories.
Kixer is leading in most countries, including United States, Brazil, India, Mexico and 31 other countries.
Silverpop is leading in United Kingdom, Australia, Canada, Czech Republic and 20 other countries.