What powers kasseiken.jp?
Last seen Aug 2026 · 9 technologies across 8 categories
Analytics
CMS
Databases
Font scripts
Miscellaneous
Programming languages
Tag managers
Web servers
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
- 68% desktop
- 32% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #347,136 of all domains
50 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 6.3 MB · 35 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Tohoku Regional Advancement Center
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on AICS Otsuka Corp. (157.205.14.90)
- DNS: alpha-prm.jp
- Email: alpha-prm.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Cybertrust Japan, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 204,491, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
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Recent changes
- dropped jQuery May 2026
- dropped Slick May 2026
- dropped Twitter May 2026
- dropped Twitter Ads May 2026
- dropped YouTube May 2026
- detected Twitter Emoji (Twemoji) Apr 2026
- detected Google Tag Manager Dec 2025
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025