What powers 
chp.or.jp?
Last seen Aug 2026 · 7 technologies across 7 categories
CMS
WordPress
since Sep 2020
Databases
MySQL
since Sep 2020
JavaScript libraries
Miscellaneous
Popper
since Jun 2022
Programming languages
UI frameworks
Web servers
Apache HTTP Server
since Feb 2019
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 checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 80% phone
- 20% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.71 / 10 · ranked #760,078 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 2.7 MB · 34 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on OCN NTT Communications Corporation (60.43.134.177)
- Email: no MX record returned
- Email security: SPF (soft fail), DMARC monitor only
- SSL: DigiCert, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 11,214,653, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted