DistroScale 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, Death, Health and 72 other categories.
DistroScale is leading in Food & Drink, Cooking & Recipes, Arts & Entertainment, Shopping and 49 other categories.
Silverpop is leading in most countries, including United Kingdom, Australia, Canada, Czech Republic and 25 other countries.
DistroScale is leading in United States, India, Philippines, Turkey and 15 other countries.