Websites Powered by Immutable.js
15,506 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 1,888 Immutable.js sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
1,038
Canada
560
United Kingdom
182
India
152
Portugal
140
Germany
133
Spain
124
France
120
Sites using Immutable.js by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Automotive | 0.41% | 340 |
| Sports and fitness | 0.29% | 63 |
| Real estate | <0.01% | 4 |
| Software and apps | <0.01% | 3 |
| Education | <0.01% | 1 |
| Retail | <0.01% | 4 |
| Restaurants and food | <0.01% | 1 |
Share of each industry's websites with a detected stack that use Immutable.js; industries come from what sites declare in their own structured data.
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
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 801 | hyundaiofregina.com | - | - | - | Jan 2021 |
| 802 | imstar.it | - | - | - | Jul 2025 |
| 803 | laramasonry.net | - | - | - | Jun 2023 |
| 804 | miplomerocontratista.com | - | - | - | May 2024 |
| 805 | misaqpest.ca | - | - | - | Dec 2020 |
| 806 | myprivatepleasures.com | - | - | - | Feb 2020 |
| 807 | parryconstructionnh.com | - | - | - | Sep 2026 |
| 808 | pinnacle-la.com | - | - | - | Aug 2026 |
| 809 | propickle.com.au | - | - | - | Dec 2025 |
| 810 | scertassam.in | - | - | - | Aug 2022 |
| 811 | searchtrendoptimizer.com | - | - | - | Mar 2023 |
| 812 | stumper.com | - | - | - | Jul 2020 |
| 813 | volvocarswestisland.com | - | - | - | Sep 2025 |
| 814 | wwtrucks.com | - | - | - | Aug 2022 |
| 815 | zerozeropickleball.com | - | - | - | Sep 2026 |
| 816 | alupanelmty.com | - | - | - | Oct 2024 |
| 817 | aquapurgeinc.com | - | - | - | Aug 2026 |
| 818 | caringcommunitythriftstores.com | - | - | - | Aug 2025 |
| 819 | cine-reel.com | - | - | - | Aug 2026 |
| 820 | dantetennis.com | - | - | - | Sep 2026 |
| 821 | dustbunnymaidservice.net | - | - | - | Nov 2023 |
| 822 | fatwave.com | - | - | - | Aug 2026 |
| 823 | hassankhanjazz.com | - | - | - | Dec 2023 |
| 824 | masaproducts.com | - | - | - | Aug 2026 |
| 825 | route66-rv.com | - | - | - | Aug 2025 |
| 826 | samskritabharatiutn.org | - | - | - | Sep 2026 |
| 827 | sanpablofleamarket.com | - | - | - | Aug 2026 |
| 828 | siam-sas.com | - | - | - | Sep 2026 |
| 829 | signsandthingsllc.com | - | - | - | Sep 2026 |
| 830 | stevethegroutguy.com | - | - | - | Mar 2024 |
| 831 | tasmay.in | - | - | - | Sep 2026 |
| 832 | thatoldgirl.com | - | - | - | Dec 2024 |
| 833 | thenashvillestore.com | - | - | - | Aug 2022 |
| 834 | thewarehousepickleballclub.com | - | - | - | Feb 2026 |
| 835 | twistandmixcap.com | - | - | - | Dec 2025 |
| 836 | vicstowing.com | - | - | - | Sep 2026 |
| 837 | xxxzd.com | - | - | - | Aug 2024 |
| 838 | zethaus.com | - | - | - | Aug 2025 |
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) →
Columns: domain, Open Page Rank, first seen, last seen, industry (from the site's own structured data, blank when none).
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