DistroScale is leading in Top 10K Sites and Top 100K Sites.
Silverpop has better usage coverage in more websites categories. Including Business & Industry, People & Society, Shopping, Death and 92 other categories.
DistroScale is leading in News & Media, Arts & Entertainment, Food & Drink, Cooking & Recipes and 43 other categories.
Silverpop is leading in most countries, including United States, United Kingdom, Australia, Czech Republic and 38 other countries.
DistroScale is leading in Canada, India, Russia, Spain and 20 other countries.