What powers 
sus.ac.jp?
Last seen Aug 2026 · 48 technologies across 24 categories
Advertising
Analytics
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
LMS
Miscellaneous
Operating systems
PaaS
Performance
Programming languages
Retargeting
Security
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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
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 69% phone
- 31% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.72 / 10 · ranked #299,774 of all domains
64 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 5.0 MB · 95 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Suwa University of Science
- Founded: 1990
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on Sakura Internet (49.212.243.158)
- DNS: sinet.ad.jp
- Email: sus.ac.jp
- Email security: SPF (hard fail), no DMARC record
- SSL: DigiCert, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 9,622,731, 7 hosts
- Verified with: Adobe, Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.sus.ac.jp | 22 |
| sola.sus.ac.jp | 15 |
| www.cs.sus.ac.jp | 12 |
| goukaku.sus.ac.jp | 10 |
| www.es.sus.ac.jp | 9 |
| www.ms.sus.ac.jp | 9 |
| s-class.admin.sus.ac.jp | 4 |
| streaming.sus.ac.jp | 3 |
| www.ed.sus.ac.jp | 2 |
Full technology history →
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Recent changes
- dropped Java Servlet May 2026
- detected HSTS Apr 2026