What powers jesra.or.jp?
Last seen Jun 2026 · 8 technologies across 6 categories
Analytics
Google Analytics
since Jan 2019
Amazon SES
since Aug 2022
JavaScript libraries
PaaS
Amazon Web Services
since Aug 2022
Tag managers
Google Tag Manager
since Feb 2022
Web servers
Apache HTTP Server
since Jan 2019
Nginx
since Nov 2025
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 78% desktop
- 22% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.11 / 10 · ranked #102,852 of all domains
195 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 19.4 MB · 70 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| jesra.or.jp | 7 |
| www.jesra.or.jp | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Nginx Nov 2025