What powers 
isu.ac.jp?
Last seen Oct 2026 · 36 technologies across 22 categories
Advertising
Twitter Ads
since Jul 2021
Analytics
CDN
cdnjs
since Mar 2024
Cloudflare
since Mar 2024
Google Hosted Libraries
since Jun 2023
jQuery CDN
since May 2026
CMS
WordPress
since Jun 2023
Databases
MySQL
since Jun 2023
Font scripts
Font Awesome
since Jul 2019
Google Font API
since Jun 2023
Hosting panels
Plesk
since Jan 2020
JavaScript graphics
Chart.js
since Sep 2026
JavaScript libraries
Maps
Google Maps
since May 2026
Miscellaneous
Open Graph
since Oct 2023
PWA
since Jun 2023
Operating systems
Windows Server
since Oct 2022
Performance
Priority Hints
since Aug 2024
Programming languages
Reverse proxies
Nginx
since May 2020
Security
Cloudflare Bot Management
since Mar 2025
HSTS
since Sep 2023
Tag managers
Google Tag Manager
since Jul 2019
Video players
YouTube
since Nov 2019
Web frameworks
Microsoft ASP.NET
since Oct 2022
Web servers
Apache HTTP Server
since Jul 2019
Webmail
Microsoft 365
since Aug 2022
Widgets
Twitter
since Jul 2020
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
- Sep 2026 * removed from robots.txt
- Sep 2026 robots.txt removed
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 57% phone
- 43% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.61 / 10 · ranked #385,745 of all domains
66 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Japanese
- Weight: 2.6 MB · 98 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Iryo Sosei University
- Founded: 1987
- Industry: Education (declares
CollegeOrUniversity) - Country: Japan
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Hosted on IDCF - IDC Frontier Inc. (210.236.254.106)
- DNS: sinet.ad.jp
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: JPRS, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 8,472,758, 15 hosts
- Verified with: Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| dh.isu.ac.jp | 15 |
| www.isu.ac.jp | 15 |
| kn.isu.ac.jp | 14 |
| ckr.isu.ac.jp | 12 |
| abk.isu.ac.jp | 9 |
| aoi.isu.ac.jp | 8 |
| sendaikango.isu.ac.jp | 8 |
| okayamatakebe.isu.ac.jp | 7 |
| cplan.isu.ac.jp | 4 |
| pharm.isu.ac.jp | 3 |
| manaba.isu.ac.jp | 1 |
Full technology history →
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Recent changes
- detected Cloudflare Bot Management May 2026