What powers rief.or.jp?
Last seen Sep 2026 · 14 technologies across 11 categories
Analytics
CMS
Databases
MySQL
since Oct 2023
Font scripts
Google Font API
since Oct 2023
JavaScript frameworks
JavaScript libraries
Miscellaneous
RSS
since Oct 2023
Programming languages
PHP
since Oct 2023
Web servers
Apache HTTP Server
since Oct 2023
WordPress plugins
WordPress themes
Twenty Twelve
since Oct 2023
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.93 / 10 · ranked #1,719,924 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 1.4 MB · 61 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on PSPINC-BDC (216.230.253.71)
- Email: alpha-mail.net
- Email security: SPF (soft fail), no DMARC record
- Common Crawl link graph: rank 10,247,500, 3 hosts
DNS records as swept Sep 2026. How the web is hosted