D3 JS is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
In terms of market share, Ext JS is clearly lagging behind, losing to D3 JS in all segments.
D3 JS has better usage coverage in more websites categories. Including Computers Electronics & Technology, Science & Education, Finance, Sports and 20 other categories.
Ext JS hasn't got a lead over D3 JS in any websites category.
D3 JS is leading in most countries, including United States, Germany, United Kingdom, India and 155 other countries.
Ext JS is leading in China, Côte d'Ivoire, Haiti and Turkmenistan.