What powers terra.ed.jp?
Last seen Sep 2026 · 24 technologies across 16 categories
Analytics
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
LMS
Miscellaneous
Page builders
Performance
Programming languages
Security
Web servers
Webmail
WordPress plugins
WordPress themes
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 75% phone
- 25% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.89 / 10 · ranked #3,903,323 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| CLS | 0.1 |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 3.0 MB · 77 requests
- WordPress theme: lightning · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Shinano Mutsumi HIgh School
- Founded: 2003
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on ODN SoftBank Corp. (61.123.159.162)
- DNS: odn.ne.jp
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 19,511,280, 2 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.terra.ed.jp | 20 |
| lspace.terra.ed.jp | 7 |
Full technology history →
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Recent changes
- dropped OpenSSL May 2026
- detected OpenSSL Mar 2026
- detected Twitter Emoji (Twemoji) Dec 2025