1
Backbone.js is leading in The Entire Web.
2
Polyfill.io is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
1
Backbone.js has better usage coverage in more websites categories. Including Arts & Entertainment, Games, Adult, Lifestyle and 17 other categories.
2
Polyfill.io is leading in Law & Government, Travel & Tourism and E-commerce & Shopping.
1
Polyfill.io is leading in most countries, including United States, United Kingdom, Canada, Japan and 100 other countries.
2
Backbone.js is leading in Germany, Italy, Russia, Spain and 56 other countries.