.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 145 other categories.
.io is leading in News & Media, Newspapers, Technology News, TV & Video and 15 other categories.
Opentracker is leading in most countries, including United States, United Kingdom, India, Germany and 69 other countries.
.io is leading in Russia, Ukraine, Belarus, Kazakhstan and 41 other countries.