What powers keio-cardiovascular-surgery.com?
Last seen Jun 2026 · 12 technologies across 10 categories
Analytics
JavaScript libraries
Operating systems
CentOS
since Jan 2019
PaaS
Amazon Web Services
since Aug 2022
Performance
Turbolinks
since Nov 2021
Programming languages
Ruby
since Jan 2019
RUM
New Relic
since Jan 2019
UI frameworks
Web frameworks
Ruby on Rails
since Jan 2019
Web servers
Audience
- 66% phone
- 34% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.50 / 10 · ranked #24,858,904 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 250 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 1.7 MB · 39 requests
Homepage as crawled by the HTTP Archive, Jul 2026.