What powers jrca-jsa.or.jp?
Last seen Oct 2026 · 13 technologies across 12 categories
Analytics
Google Analytics
since Sep 2021
Amazon SES
since Aug 2022
Font scripts
JavaScript frameworks
JavaScript libraries
PaaS
Amazon Web Services
since Aug 2022
Programming languages
PHP
since Jul 2019
Tag managers
Google Tag Manager
since Jul 2019
UI frameworks
Web frameworks
CodeIgniter
since Aug 2021
Web servers
Nginx
since Jul 2019
Webmail
Google Workspace
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 85% desktop
- 15% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.20 / 10 · ranked #1,267,774 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 1.9 MB · 64 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- DNS: Amazon Route 53
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: DigiCert, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 10,267,442, 5 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted