How many companies use RxJS?

TechLeads currently detects RxJS on 49,750 websites. HTTP Archive's monthly crawl, a separate dataset, detected it on 73,984 pages in September 2026.

Who are RxJS's biggest competitors?

By number of websites, the largest JavaScript frameworks technologies besides RxJS are React (3,946,375), GSAP (2,254,938), Vue.js (1,910,694), Next.js (1,044,561), RequireJS (798,434).

Which companies use RxJS?

Websites using RxJS include vocal.media, zenn.dev, royalcaribbean.com, classificadosx.net, carnival.com, groovy-lang.org. The full list of 49,750 websites can be exported as a CSV for $29.

RxJS market share and customers

As of October 11, 2026, RxJS is used by 49,750 websites in the TechLeads index: 0.29% of all JavaScript frameworks detections, the 30th most-used of 79 JavaScript frameworks technologies.

49,750

websites using RxJS

0.29%

share of JavaScript frameworks

#30

of 79 in JavaScript frameworks

Cite this data

Quoting these numbers? Credit TechLeads with a link to this page.

Citation

TechLeads. "RxJS Customers and Market Share." Data as of October 11, 2026. https://techleads.fyi/technology/rxjs/market-share

HTML link

<a href="https://techleads.fyi/technology/rxjs/market-share">RxJS market share (TechLeads data)</a>

RxJS vs competitors in JavaScript frameworks

Websites using each technology in the TechLeads index, and its share of all JavaScript frameworks detections.

#	Technology	Websites	Share
1	React	3,946,375	23.1%
2	GSAP	2,254,938	13.2%
3	Vue.js	1,910,694	11.2%
4	Next.js	1,044,561	6.1%
5	RequireJS	798,434	4.7%
6	WOW	699,779	4.1%
7	styled-components	474,663

RxJS usage over time

In HTTP Archive's monthly crawl of public websites, RxJS was detected on 73,984 pages in September 2026, up 73.7% from a year earlier. Among the 1,000 most-visited sites, it appeared on 4. HTTP Archive is a separate dataset from the TechLeads index, so its numbers are not added to ours.

Same month, other JavaScript Frameworks technologies in HTTP Archive: React 7,210,181, GSAP 4,697,200, Vue.js 2,655,312, Next.js 2,090,368, Next.js App Router 1,514,274.

RxJS customers by country

Based on country-code domains (such as .de or .co.uk); websites on .com and other generic domains are not assigned a country.

US26
JP22
DE12
GB10
FR8
UA5
AU5
IT4
RU3
NL2

Companies using RxJS

vocal.media
zenn.dev
royalcaribbean.com · Royal Caribbean
classificadosx.net
carnival.com
groovy-lang.org
lichess.org
civitai.com
gamma.app
directoalpaladar.com
designmuseum.org
bombardier.com · Bombardier

See all 49,750 websites using RxJS or download the full list as a CSV for $29.

How these numbers are calculated

TechLeads scans public websites and detects RxJS from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Market share is RxJS's website count divided by the website counts of all JavaScript frameworks technologies we track; a site using two JavaScript frameworks tools counts for both. Counts were last refreshed on October 11, 2026 and update daily.

FAQ

RxJS accounts for 0.29% of JavaScript frameworks detections in the TechLeads index (49,750 websites), which makes it the 30th most-used of 79 JavaScript frameworks technologies we track.