MooTools is leading in Top 10K Sites and The Entire Web.
KnockoutJS is leading in Top 100K Sites and Top 1M Sites.
MooTools has better usage coverage in more websites categories. Including Science & Education, Computers Electronics & Technology, Law & Government, Health and 17 other categories.
KnockoutJS is leading in Lifestyle, Home & Garden and E-commerce & Shopping.
MooTools is leading in most countries, including Russia, United States, Germany, Italy and 154 other countries.
KnockoutJS is leading in United Kingdom, United Arab Emirates, Kuwait, Bahamas and 2 other countries.