What powers open.ed.jp?
Last seen Sep 2026 · 29 technologies across 19 categories
Analytics
Google Analytics
since Apr 2019
Matomo Analytics
since Nov 2017
CDN
Google Hosted Libraries
since Feb 2022
jQuery CDN
since Sep 2026
CMS
Movable Type
since Nov 2017
XOOPS
since Jan 2019
Editors
DreamWeaver
since Jan 2016
Font scripts
Google Font API
since Apr 2019
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Load balancers
Azure Front Door
since Jun 2022
Maps
Google Maps
since Jul 2019
Miscellaneous
RSS
since Dec 2022
Operating systems
PaaS
Azure
since Jun 2022
Programming languages
UI frameworks
Bootstrap
since May 2019
Web frameworks
CakePHP
since Jan 2023
Web server extensions
Web servers
Apache HTTP Server
since Jan 2016
Webmail
Apple iCloud Mail
since Jan 2023
Microsoft 365
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 58% desktop
- 42% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
6.05 / 10 · ranked #106,610 of all domains
174 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 200 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.1 MB · 21 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Miyako High School
- Founded: 1953
- Country: Japan
From Wikidata (CC0).
Infrastructure
- DNS: Azure DNS
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC quarantine
- SSL: SECOM Trust Systems, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 80,158, 163 hosts
- Verified with: Apple Business
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| kyosys.open.ed.jp | 12 |
| teiji.naha-th.open.ed.jp | 11 |
| it.edu-c.open.ed.jp | 10 |
| itso.open.ed.jp | 10 |
| shien.tomari-h.open.ed.jp | 10 |
| www.edu-c.open.ed.jp | 10 |
| keiei.edu-c.open.ed.jp | 9 |
| kyouka.edu-c.open.ed.jp | 9 |
| tokusi.edu-c.open.ed.jp | 9 |
| www.chuno-sh.open.ed.jp | 9 |
| www.gushikawa-ch.open.ed.jp | 9 |
| www.hanasaki-sh.open.ed.jp | 9 |
| www.hentona-h.open.ed.jp | 9 |
| www.kagamigaoka-sh.open.ed.jp | 9 |
| www.kaiho-h.open.ed.jp | 9 |
| www.mirai-th.open.ed.jp | 9 |
| www.nago-h.open.ed.jp | 9 |
| www.nago-sh.open.ed.jp | 9 |
| www.nanbu-ch.open.ed.jp | 9 |
| www.nanbu-th.open.ed.jp | 9 |
| www.okiko-sh.open.ed.jp | 9 |
| www.sakura-jh.open.ed.jp | 9 |
| www.urasoe-th.open.ed.jp | 9 |
| www.yaese-sh.open.ed.jp | 9 |