What powers osakasayama.ed.jp?
Last seen Sep 2026 · 12 technologies across 8 categories
Font scripts
Google Font API
since Jan 2025
JavaScript libraries
Closure Library
since Jan 2026
Marked
since Jul 2026
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Operating systems
Windows Server
since Jan 2019
Programming languages
Java
since Sep 2021
Web frameworks
Microsoft ASP.NET
since Jan 2019
Web servers
Webmail
Google Workspace
since Jan 2025
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.20 / 10 · ranked #1,261,676 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Google
- Weight: 2.1 MB · 51 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on OCN NTT Communications Corporation (61.199.250.83)
- DNS: ocn.ad.jp
- Email: digitalartscloud.com
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 15,492,580, 21 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| dai3-jh.edu.osakasayama.ed.jp | 7 |
| dai7-es.edu.osakasayama.ed.jp | 7 |
| higashi-es.edu.osakasayama.ed.jp | 7 |
| kita-es.edu.osakasayama.ed.jp | 7 |
| m1-es.edu.osakasayama.ed.jp | 7 |
| m2-es.edu.osakasayama.ed.jp | 7 |
| minami-jh.edu.osakasayama.ed.jp | 7 |
| nishi-es.edu.osakasayama.ed.jp | 7 |
| sayama-jh.edu.osakasayama.ed.jp | 7 |
| dai3-jh.osakasayama.ed.jp | 6 |
| dai7-es.osakasayama.ed.jp | 6 |
| higashi-es.osakasayama.ed.jp | 6 |
| kita-es.osakasayama.ed.jp | 6 |
| m1-es.osakasayama.ed.jp | 6 |
| m2-es.osakasayama.ed.jp | 6 |
| m3-es.edu.osakasayama.ed.jp | 6 |
| m3-es.osakasayama.ed.jp | 6 |
| minami-jh.osakasayama.ed.jp | 6 |
| nishi-es.osakasayama.ed.jp | 6 |
| sayama-jh.osakasayama.ed.jp | 6 |
| www.osakasayama.ed.jp | 3 |
Full technology history →
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Recent changes
- dropped Google Sites Jul 2026
- detected Marked Jul 2026
- detected Closure Library Jan 2026