What powers casiocalc.org?
Last seen Jun 2026 · 6 technologies across 5 categories
Analytics
JavaScript frameworks
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Security
HSTS
since Sep 2022
Web servers
Apache HTTP Server
since Apr 2018
Audience
- 54% desktop
- 46% phone
United Kingdom
Australia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.40 / 10 · ranked #2,675,717 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 50 ms |
| CLS | 0.2 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 0.1 MB · 12 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.casiocalc.org | 6 |
| community.casiocalc.org | 5 |