What powers ossu.dev?
Last seen Jun 2026 · 13 technologies across 8 categories
Caching
Varnish
since Jan 2024
CDN
Mailgun
since Jun 2024
Miscellaneous
Open Graph
since Jan 2024
RSS
since Apr 2025
PaaS
GitHub Pages
since Jan 2024
Programming languages
Ruby
since Jan 2024
Security
Cloudflare Bot Management
since Apr 2025
HSTS
since Jan 2024
Static site generator
Audience
- 58% desktop
- 42% phone
India
Vietnam
Bangladesh
Egypt
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.29 / 10 · ranked #2,896,121 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 0.2 MB · 8 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| ossu.dev | 12 |
| cs.ossu.dev | 10 |
| ds.ossu.dev | 10 |
| math.ossu.dev | 10 |
Full technology history →
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Recent changes
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Bot Management Mar 2026