What powers jspe.gr.jp?
Last seen Sep 2026 · 15 technologies across 9 categories
CMS
Font scripts
Google Font API
since Oct 2022
Hosting
Sakura Internet
since Oct 2022
JavaScript libraries
Miscellaneous
Open Graph
since Oct 2022
Operating Systems
CentOS
since Feb 2020
Programming Languages
Web Server Extensions
Web Servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.20 / 10 · ranked #1,270,060 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Google
- Weight: 0.9 MB · 25 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Japan Society of Political Economy
- Founded: 1959
- Country: Japan
From Wikidata (CC0).
Infrastructure
- DNS: Sakura Internet
- Email: no MX record returned
- Email security: SPF (hard fail)
- SSL: Google Trust Services, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 10,188,423, 4 hosts
- Verified with: Google
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| jspe.gr.jp | 9 |
| www.jspe.gr.jp | 6 |
Full technology history →
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Recent changes
- dropped Google Sites Mar 2026