What powers openastronomy.org?
Last seen Jun 2026 · 18 technologies across 13 categories
Caching
Varnish
since May 2021
CDN
Fastly
since May 2021
Google Hosted Libraries
since May 2022
Font scripts
Google Font API
since May 2021
JavaScript frameworks
Ember.js
since Apr 2023
JavaScript libraries
Message boards
Miscellaneous
PaaS
GitHub Pages
since May 2021
Programming languages
Ruby
since May 2022
Security
HSTS
since Apr 2023
UI frameworks
Bootstrap
since May 2021
Web frameworks
Ruby on Rails
since May 2021
Web servers
Nginx
since Apr 2023
Audience
India
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.99 / 10 · ranked #572,273 of all domains
38 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- CDN: Fastly
- Weight: 1.2 MB · 14 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| community.openastronomy.org | 11 |
| openastronomy.org | 9 |