.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 79 other categories.
.io is leading in News & Media, Arts & Entertainment, People & Society, Shopping and 71 other categories.
.io is leading in most countries, including Russia, Ukraine, Nigeria, Kazakhstan and 78 other countries.
Unica is leading in United States, United Kingdom, Germany, Canada and 42 other countries.