What powers yamagata-c.ed.jp?
Last seen Sep 2026 · 16 technologies across 13 categories
Advertising
Analytics
CDN
Font scripts
JavaScript libraries
Miscellaneous
Operating systems
Programming languages
Security
UI frameworks
Web server extensions
Web servers
Widgets
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 65% desktop
- 35% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.04 / 10 · ranked #1,525,208 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 4.9 MB · 50 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Yamagata Prefectural Education Institute
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on TOHKNET TOHKnet Co.,Inc. (211.120.115.26)
- DNS: tocn.ne.jp
- Email: no MX record returned
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 11,926,874, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
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Recent changes
- dropped core-js Sep 2026
- dropped Lodash Sep 2026
- dropped TinyMCE Sep 2026
- dropped Vue.js Sep 2026
- detected Font Awesome Aug 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Moment.js Apr 2026
- detected core-js Mar 2026
- detected Day.js Mar 2026
- detected Open Graph Mar 2026
- detected TinyMCE Mar 2026