What powers 
soai.ac.jp?
Last seen Oct 2026 · 34 technologies across 20 categories
Advertising
Analytics
CDN
CMS
Font scripts
Hosting
IaaS
Issue trackers
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Performance
Programming languages
Security
Tag managers
UI frameworks
Web frameworks
Web servers
Webmail
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 robots.txt appeared
- Oct 2026 * added to robots.txt
- Oct 2026 * removed from robots.txt
- Sep 2026 robots.txt removed
- Sep 2026 * added to robots.txt
- Sep 2026 robots.txt appeared
AI Crawlers
No AI crawlers blocked
Audience
- 79% phone
- 21% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #364,124 of all domains
84 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Japanese
- Weight: 14.1 MB · 118 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Soai University
- Founded: 1950
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on Sakura Internet (219.94.236.35)
- DNS: d-53.info
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 2,367,203, 6 hosts
- Verified with: Apple Business, Google, Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.onkyo.soai.ac.jp | 16 |
| www.soai.ac.jp | 13 |
| soai.ac.jp | 10 |
| dbsara.soai.ac.jp | 7 |
| portal.soai.ac.jp | 5 |
Full technology history →
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Recent changes
- dropped lit-element Sep 2026
- dropped lit-html Sep 2026
- detected lit-element Jul 2026
- detected lit-html Jul 2026
- detected Apache HTTP Server May 2026
- detected core-js Dec 2025
- detected Facebook Pixel Dec 2025
- detected Google Font API Dec 2025
- detected jsDelivr Dec 2025
- detected Swiper Dec 2025