What powers rxjs.dev?
Last seen Jun 2026 · 11 technologies across 7 categories
Analytics
Databases
Firebase
since Sep 2022
Font scripts
Google Font API
since Feb 2019
JavaScript frameworks
Miscellaneous
Programming languages
TypeScript
since Jul 2021
Security
HSTS
since Sep 2022
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| rxjs | #1 | 1,500 |
| rxjs forkjoin | #1 | 79 |
| asynchronous definition | #87 | 70 |
| rxjs-map | #1 | 64 |
| rxjs tap | #1 | 59 |
| concatmap | #1 | 52 |
| rxjs subjects | #1 | 52 |
| rxjs pipe | #2 | 52 |
| rxjs catcherror | #1 | 52 |
| mergemap | #1 | 52 |
| rxjs switchmap | #1 | 49 |
| javascript observable | #1 | 49 |
| switchmap #rxjs | #1 | 43 |
| rxjs sharereplay | #1 | 43 |
| sharereplay | #1 | 43 |
| this pipe is not a pipe | #95 | 38 |
| rxjs in angular | #2 | 34 |
| withlatestfrom | #1 | 33 |
| audittime | #1 | 33 |
| rxjs subject | #1 | 32 |
| rxjs mergemap | #1 | 32 |
| behavior subject | #3 | 31 |
| takewhile | #1 | 27 |
| typescript observable | #1 | 27 |
| rxjs takeuntil | #1 | 27 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 86% desktop
- 14% phone
United Arab Emirates
India
Germany
United Kingdom
Brazil
France
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.52 / 10 · ranked #16,893 of all domains
489 referring domains · OpenPageRank
Search traffic
4,200 est. monthly organic visits (US)
2,020 keywords in Google's top 30
Core Web Vitals
| LCP | 1 s |
| INP | 25 ms |
| CLS | 0.2 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 0.6 MB · 28 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| next.rxjs.dev | 11 |
| rxjs.dev | 11 |