What powers medcalc.jp?
Last seen Jun 2026 · 9 technologies across 7 categories
Analytics
Google Analytics
since Mar 2025
CMS
Concrete CMS
since Mar 2025
JavaScript libraries
Miscellaneous
Open Graph
since Jan 2026
Operating systems
Ubuntu
since Jan 2026
Programming languages
PHP
since Mar 2025
Web servers
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.93 / 10 · ranked #13,975,380 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Google
- Weight: 0.4 MB · 13 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Google Cloud Feb 2026
- dropped Google Cloud CDN Feb 2026
- dropped HTTP/3 Feb 2026
- dropped OpenSSL Feb 2026
- dropped UNIX Feb 2026