Knockout

Knockout is a JavaScript MVVM (Model-View-ViewModel) library that helps developers create rich, desktop-like user interfaces with JavaScript and HTML.

It features declarative bindings between data and UI, observable properties with automatic dependency tracking, computed observables, a built-in templating system, and efficient incremental DOM updates.

According to our data, Knockout is the 7th most popular frontend framework on the web.
It has 3.9% of the frontend framework market share and is detected on 0.4% of all websites.

💸 Pricing

Knockout is available for free.

Free ✔️Open source

📊 Rankings and Market Share

🏆 Knockout Awards

⚡ Sites Built With Knockout

We have data on 13,510 websites that use the Knockout frontend framework. Here is a list of some of the top ranked ones.

The highest rated site using Knockout is corriere.it.

#WebsiteRankCountryLanguage
1 corriere.it #330 Italy Italian
2 conectate.com.do #708 Dominican Republic Spanish
3 boredpanda.com #2,336 Lithuania American English
4 onliner.by #2,435 Belarus Russian
5 protothema.gr #2,683 Greece Greek
6 iaai.com #2,784 English
7 electrodepot.fr #2,850 France French
8 brother-usa.com #2,923 United States English
9 tower.jp #2,953 Japan Japanese
10 mandmdirect.com #3,546 United Kingdom British English
11 myherbalife.com #3,594 United States English
12 dedeman.ro #3,819 Romania Romanian
13 kentucky.gov #3,993 United States American English
14 druni.es #4,178 Spain Spanish
15 loteriasdominicanas.com #4,204 United States Spanish
16 stylevana.com #4,274 English
17 author.today #4,330 Russia Russian
18 pelotainvernal.com #4,627 Dominican Republic Spanish
19 solodeportes.com.ar #5,004 Argentina Spanish
20 careers360.com #5,525 India English

📈 Usage Statistics

Most of the sites that use Knockout:

Most of the sites using Knockout are from the United States, the United Kingdom, and Germany.

  • United States 21.7%
  • United Kingdom 11.3%
  • Germany 7.1%
  • Netherlands 7%
  • France 3.9%
  • Italy 3.6%
  • Australia 3.4%
  • Brazil 2.4%
  • Spain 2.2%
  • Other 37.4%

Most Knockout users speak English, German, or Dutch.

  • English 55.7%
  • German 7.3%
  • Dutch 5.7%
  • Spanish 5.5%
  • French 4.2%
  • Italian 2.9%
  • Portuguese 2.6%
  • Polish 1.6%
  • Danish 1.5%
  • Other 13%

The Knockout frontend framework is especially popular on .com and .co.uk top-level domains.

  • .com 45.7%
  • .co.uk 6.4%
  • .de 4.6%
  • .nl 4.3%
  • .com.au 2.6%
  • .org 2.5%
  • .com.br 1.9%
  • .it 1.8%
  • .fr 1.7%
  • Other 28.5%

The primary market segments for websites utilizing Knockout include online shopping, marketing and merchandising, and business.

  • Online Shopping 39.5%
  • Marketing/Merchandising 11.6%
  • Business 11.5%
  • Sports 6.9%
  • Fashion/Beauty 6.8%
  • Software/Hardware 2.3%
  • Real Estate 2.2%
  • Health 2.1%
  • Education/Reference 2%
  • Other 15.1%

🔢 Knockout Versions

The most widespread version of Knockout is 3.4, used by 43.1% of sites where versions were detected. In addition, 32.8% of sites use Knockout 3.5, and 8.9% use Knockout 3.3.

  • 3.4 43.1%
  • 3.5 32.8%
  • 3.3 8.9%
  • 3.0 3.9%
  • 2.2 3.7%
  • 3.2 2.4%
  • 3.1 2.2%
  • 2.3 2.1%
  • 2.1 1%
  • 2.0 0.1%

🕵️ Similar Technologies

These are some of the best Knockout alternatives.

RankName
1
React
Menlo Park, California, United States

A popular open-source JavaScript library for building dynamic user interfaces, created by Facebook.

FreeOpen source
2
Vue.js

A progressive JavaScript framework that allows developers to create user interfaces using components, reactive data binding, and a virtual DOM.

FreeOpen source
5
Backbone.js

A JavaScript framework that adds structure to web applications by implementing the MVC pattern.

FreeOpen source
22
Riot
Zurich, Switzerland

A lightweight, component-based user interface library that uses custom tags to create reactive user interfaces, functioning as a minimalist alternative to larger frameworks like React or Vue.

FreeOpen source
27
SolidJS

A reactive JavaScript framework designed to build responsive and high-performing user interfaces.

FreeOpen source

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💬 Frequently Asked Questions

Is Knockout free?

Yes, it is a free frontend framework.
It is also open source, and you can find its source code on GitHub.

Which country uses Knockout the most?

The majority of Knockout users are from the United States.

Who uses Knockout?

According to our data, Knockout is used on thousands of sites, including such established ones as corriere.it, conectate.com.do, and boredpanda.com.

Is Knockout used on government websites?

Yes, for example, it is used by kentucky.gov. In total, we found Knockout on 6 government sites in the United States.

Do academic institutions use Knockout?

Yes. Overall, we know of 16 academic websites in the United States that use Knockout.

How does Knockout stack up against the competition?

Knockout is a fairly popular frontend framework, ranking ahead of 42 other frontend frameworks we track.

What are the alternatives to Knockout?

Alternatives and possible competitors to Knockout may include Backbone.js, React, and Riot.

Statistics were last calculated on .
For details, see our methodology and disclaimer.