What powers 
seinan-jo.ac.jp?
Last seen Sep 2026 · 32 technologies across 18 categories
Analytics
Google Analytics
since Jan 2019
CDN
Cloudflare
since May 2023
jsDelivr
since May 2023
CMS
WordPress
since Jan 2019
Databases
MySQL
since Jan 2019
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Miscellaneous
Open Graph
since Aug 2025
RSS
since Dec 2022
Operating systems
Performance
Priority Hints
since Aug 2023
Programming languages
Security
Cloudflare Bot Management
since May 2023
HSTS
since Aug 2025
Video players
Web frameworks
Ruby on Rails
since Aug 2025
Web server extensions
Web servers
Apache HTTP Server
since Jan 2019
Nginx
since Mar 2020
Webmail
Google Workspace
since Aug 2022
Widgets
FlexSlider
since Jan 2019
WordPress plugins
MetaSlider
since May 2023
Smash Balloon Instagram Feed
since Sep 2023
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 53% desktop
- 47% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.06 / 10 · ranked #531,060 of all domains
63 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 22.1 MB · 105 requests
- WordPress theme: seinan_university · all themes
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Seinan Jo Gakuin University Junior College
- Founded: 1922
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on Sakura Internet (49.212.207.235)
- DNS: sinet.ad.jp
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: DigiCert, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 2,713,250, 5 hosts
- Verified with: Adobe, Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.seinan-jo.ac.jp | 20 |
| www3.seinan-jo.ac.jp | 19 |
| www2.seinan-jo.ac.jp | 14 |
| opac.seinan-jo.ac.jp | 7 |