What powers serenityos.org?
Last seen Aug 2026 · 5 technologies across 5 categories
Caching
Varnish
since Nov 2024
CDN
Fastly
since Nov 2024
Operating systems
Ubuntu
since Apr 2020
PaaS
GitHub Pages
since Nov 2024
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 63% desktop
- 37% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.72 / 10 · ranked #297,641 of all domains
114 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- CDN: Fastly
- Weight: 0.3 MB · 4 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| man.serenityos.org | 3 |
| serenityos.org | 3 |
| www.serenityos.org | 2 |