What powers contrails.org?
Last seen Jun 2026 · 30 technologies across 16 categories
Analytics
Caching
Varnish
since Mar 2023
CDN
CMS
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Clipboard.js
since Sep 2023
Miscellaneous
PaaS
GitHub Pages
since Mar 2023
Photo galleries
PhotoSwipe
since Nov 2025
Programming languages
Node.js
since Nov 2024
Security
Cloudflare Bot Management
since Nov 2024
HSTS
since Mar 2023
Static site generator
Astro
since May 2025
UI frameworks
Ant Design
since May 2023
Tailwind CSS
since Nov 2024
Web servers
Webmail
Microsoft 365
since May 2023
Audience
- 54% desktop
- 46% phone
Germany
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.88 / 10 · ranked #666,675 of all domains
58 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 1.5 MB · 27 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| notebook.contrails.org | 15 |
| py.contrails.org | 12 |
| explore.contrails.org | 10 |
| contrails.org | 9 |
| map.contrails.org | 9 |
Full technology history →
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Recent changes
- dropped MathJax Mar 2026
- detected Cloudflare Browser Insights Nov 2025