MooTools is leading in Top 1M Sites and The Entire Web.
D3 JS is leading in Top 10K Sites and Top 100K Sites.
MooTools has better usage coverage in more websites categories. Including Science & Education, Computers Electronics & Technology, Law & Government, Health and 18 other categories.
D3 JS is leading in Finance and Jobs & Career.
MooTools is leading in most countries, including Russia, Germany, Italy, France and 152 other countries.
D3 JS is leading in United States, China, India, South Korea and 5 other countries.