What powers jyuken-k.jp?
Last seen Aug 2026 · 14 technologies across 11 categories
Analytics
Google Analytics
since Jun 2026
CDN
Amazon CloudFront
since Jun 2026
JavaScript libraries
Miscellaneous
HTTP/3
since Jun 2026
PaaS
Amazon Web Services
since Jun 2026
Programming languages
PHP
since Jun 2022
Tag managers
Google Tag Manager
since Jun 2026
UI frameworks
Bootstrap
since Jun 2026
Web frameworks
CakePHP
since Jun 2026
Web servers
Nginx
since Jun 2022
Webmail
Microsoft 365
since Jun 2026
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.46 / 10 · ranked #28,143,674 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| CLS | 0 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (75.2.50.204)
- DNS: Amazon Route 53
- Email: Microsoft 365
- Email security: SPF (soft fail), no DMARC record
- SSL: Amazon Trust Services, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 13,896,694
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped All in One SEO Jul 2026
- dropped Apache HTTP Server Jul 2026
- dropped Contact Form 7 Jul 2026
- dropped Facebook Login Jul 2026
- dropped Google Maps Jul 2026
- dropped HSTS Jul 2026
- dropped MySQL Jul 2026
- dropped Open Graph Jul 2026
- dropped Twitter Jul 2026
- dropped Twitter Ads Jul 2026
- dropped WordPress Jul 2026
- dropped Cloudflare Jun 2026
- dropped Cloudflare Bot Management Jun 2026