Category - JavaScript Frameworks, Web Application Frameworks

Knockout.js is an open source Javascript library that provides web UI capabilities.

We have discovered 23,474 live websites that are using KnockoutJS.

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Technology usage statistics

Websites using KnockoutJS23,474 websites
Most popular in the country US
Market position in JavaScript Frameworks#19
Market penetration in JavaScript Frameworks0.26%
Most popular version3.4.2

Technology adoption

Recent changes in KnockoutJS usage. (See KnockoutJS Usage Changes report)
Websites that added KnockoutJS+2,452
Websites that dropped KnockoutJS-3,590
Websites that changed version of KnockoutJS363

Distribution by websites popularity

KnockoutJS detection in the top websites by popularity
Top 10k sites5 websites
Top 100k sites108 websites
Top 1m sites861 websites

Websites utilizing KnockoutJS

Top websites that use KnockoutJS

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Geographical Distribution

Technology usage distribution by websites across the globe.

Alternative Technologies

React: Total 5,172,702 domains found using React
Backbone.js: Total 782,435 domains found using Backbone.js
MooTools: Total 695,272 domains found using MooTools
AngularJS: Total 598,744 domains found using AngularJS
Prototype: Total 469,719 domains found using Prototype
AMP: Total 451,383 domains found using AMP
RequireJS: Total 440,518 domains found using RequireJS
Redux: Total 297,901 domains found using Redux
Handlebars: Total 199,908 domains found using Handlebars
Nuxt.js: Total 87,762 domains found using Nuxt.js

Alternative Names

  • Knockout.js


  • 1 (12 subversions, 63 domains)
  • 2 (7 subversions, 3,780 domains)
  • 3 (10 subversions, 13,494 domains)