D3 JS is leading in Top 10K Sites and The Entire Web.
KnockoutJS is leading in Top 100K Sites and Top 1M Sites.
D3 JS has better usage coverage in more websites categories. Including Computers Electronics & Technology, Science & Education, Finance, Sports and 13 other categories.
KnockoutJS is leading in Lifestyle, Home & Garden, E-commerce & Shopping, Food & Drink and 3 other categories.
D3 JS is leading in most countries, including United States, China, India, France and 117 other countries.
KnockoutJS is leading in United Kingdom, Germany, Netherlands, Italy and 37 other countries.