Market Share by Top Websites

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

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

Websites Categories

1 Bootstrap has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Shopping, Marketing & Advertising and 220 other categories.

2 Backbone.js is leading in Arts & Entertainment, Adult, Music & Audio, Humor and 18 other categories.


1 Bootstrap is leading in most countries, including United States, Russia, Germany, Brazil and 233 other countries.

2 Backbone.js is leading in Saint Pierre And Miquelon, Vanuatu and Guernsey.