What powers stellarium.org?
Last seen Jun 2026 · 11 technologies across 10 categories
Analytics
Google Analytics
since Jun 2018
Caching
Varnish
since Aug 2018
CDN
Fastly
since Apr 2018
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
PaaS
GitHub Pages
since Apr 2018
Programming languages
Ruby
since Jun 2018
Tag managers
Google Tag Manager
since Jun 2018
Video players
Flowplayer
since Apr 2022
Web frameworks
Ruby on Rails
since Jun 2018
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| astronomy software | #1 | 880 |
| stellarium web | #3 | 480 |
| stellarium online | #4 | 160 |
| planetarium | #92 | 140 |
| great nebula | #46 | 130 |
| stellarium astronomy | #1 | 120 |
| great orion nebula | #95 | 95 |
| planetarium software | #1 | 79 |
| constellation application | #10 | 61 |
| stellarium | #76 | 57 |
| stellarium | #40 | 57 |
| astronomy program | #1 | 52 |
| stellarium org | #1 | 43 |
| stellarium mobile | #5 | 34 |
| planetarium app | #5 | 34 |
| stellarium download | #6 | 30 |
| stellarium web | #13 | 29 |
| online planetarium | #4 | 26 |
| astrology constellations | #74 | 24 |
| what is astronomy | #91 | 23 |
| stellarium night sky | #2 | 23 |
| linux tails | #79 | 23 |
| control telescope with stellarium | #1 | 21 |
| telescope control stellarium | #1 | 21 |
| what planets are visible tonight | #55 | 21 |
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
- 65% desktop
- 18% tablet
- 17% phone
South Korea
Hong Kong SAR China
New Zealand
Algeria
United States
India
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.47 / 10 · ranked #18,409 of all domains
1,700 referring domains · OpenPageRank
Search traffic
4,800 est. monthly organic visits (US)
5,164 keywords in Google's top 30
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 0.6 MB · 35 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| stellarium.org | 8 |
| www.stellarium.org | 7 |