Market Share by Top Websites

1 Backbone.js is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 Despite its recent growth, Ext JS is still behind Backbone.js in all market share segments.

Websites Categories

1 Backbone.js has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Shopping, Adult and 194 other categories.

2 Ext JS is leading in People & Society, Autos & Vehicles, Software, Games and 30 other categories.


1 Backbone.js is leading in most countries, including United States, United Kingdom, Germany, France and 146 other countries.

2 Ext JS is leading in Russia, Japan, Poland, China and 45 other countries.