What powers schoolmanager.jp?
Last seen Aug 2026 · 10 technologies across 8 categories
Analytics
Google Analytics
since Nov 2022
CDN
Unpkg
since Nov 2022
Hosting
Xserver
since Nov 2022
JavaScript frameworks
AlertifyJS
since Nov 2022
JavaScript libraries
Miscellaneous
Open Graph
since Nov 2022
PWA
since Nov 2022
Tag managers
Google Tag Manager
since Nov 2022
Web servers
Nginx
since Nov 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.76 / 10 · ranked #4,607,239 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 6.5 MB · 79 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- DNS: Xserver
- Email: schoolmanager.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 15,821,988, 3 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| schoolmanager.jp | 10 |
| system.schoolmanager.jp | 9 |