.io is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Unica has better usage coverage in more websites categories. Including Business & Industry, Autos & Vehicles, Car Buying, Health and 82 other categories.
.io is leading in News & Media, Arts & Entertainment, People & Society, Shopping and 63 other categories.
.io is leading in most countries, including Russia, Ukraine, Nigeria, Kazakhstan and 65 other countries.
Unica is leading in United States, United Kingdom, Germany, Canada and 37 other countries.