.io is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Opentracker has better usage coverage in more websites categories. Including Business & Industry, Shopping, Arts & Entertainment, People & Society and 146 other categories.
.io is leading in News & Media, Newspapers, Technology News, Soccer and 15 other categories.
Opentracker is leading in most countries, including United States, United Kingdom, India, Germany and 67 other countries.
.io is leading in Russia, Ukraine, Belarus, Kazakhstan and 39 other countries.