What powers jeaweb.org?
Last seen Jun 2026 · 9 technologies across 6 categories
Google Workspace
since Sep 2022
Sendgrid
since Sep 2022
JavaScript libraries
Operating systems
Windows Server
since Apr 2019
Performance
Priority Hints
since Dec 2025
Security
HSTS
since Apr 2023
Web servers
Audience
- 93% desktop
- 7% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.57 / 10 · ranked #829,167 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.6 MB · 23 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Priority Hints Dec 2025