Websites Powered by Immutable.js

15,546 websites tracked using Immutable.js (JavaScript libraries) · facebook.github.io

Immutable.js is a JavaScript library used to add functionality to web pages. Its official site is facebook.github.io. PoweredBy tracks the websites that use Immutable.js across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the javascript libraries ecosystem.

Usage trend

Core Web Vitals

Median site among 1,927 Immutable.js sites with Chrome UX data, p75 values, Aug 2026.

Top countries

United States 1,058

Canada 566

United Kingdom 181

India 155

Portugal 138

Germany 135

France 130

Spain 121

Sites using Immutable.js by audience country, Chrome UX Report.

Top sites by authority

The share of the web's most authoritative domains, by Open Page Rank tier, seen running Immutable.js in recent crawls. Only 372 domains worldwide score 9 or higher.

Websites using Immutable.js

Open Page Rank is the domain's authority score (0 to 10, from the open web link graph); the list is ordered by it and covers sites seen in recent crawls. Visits and keywords are estimated US organic search figures.

Download top 10,000 as CSV (zip) →

Compare Immutable.js

• Immutable.js vs jQuery
• Immutable.js vs core-js
• Immutable.js vs jQuery Migrate
• Immutable.js vs jQuery UI
• Immutable.js vs Swiper

Related JavaScript libraries

• jQuery
• core-js
• jQuery Migrate
• jQuery UI
• Swiper