What powers shizuoka-c.ed.jp?
Last seen Oct 2026 · 11 technologies across 11 categories
Analytics
Google Analytics
since Aug 2018
Font scripts
Google Font API
since Nov 2021
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Operating systems
Windows Server
since Jan 2016
Programming languages
UI frameworks
Bootstrap
since Jan 2020
Web frameworks
CakePHP
since Sep 2021
Web server extensions
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 * removed from robots.txt
- Oct 2026 * added to robots.txt
- Sep 2026 * removed from robots.txt
- Sep 2026 * added to robots.txt
- Sep 2026 * removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 79% desktop
- 19% phone
- 1% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.05 / 10 · ranked #241,936 of all domains
76 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 3.7 MB · 98 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Shizuoka Prefecture Archaeological Research Center
- Founded: 1984
From Wikidata (CC0).
Infrastructure
- DNS: d-53.info
- Email: oneoffice.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: DigiCert, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 621,067, 14 hosts
- Verified with: Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.center.shizuoka-c.ed.jp | 10 |
| gakusyu.shizuoka-c.ed.jp | 7 |