What powers 
rice.or.jp?
Last seen Oct 2026 · 20 technologies across 15 categories
Analytics
Google Analytics
since Mar 2024
CMS
Databases
MySQL
since Mar 2024
Font scripts
Google Font API
since Mar 2024
Twitter Emoji (Twemoji)
since Aug 2026
Hosting panels
Plesk
since Mar 2024
JavaScript libraries
Clipboard.js
since Mar 2024
Swiper
since Mar 2024
Miscellaneous
Open Graph
since Mar 2024
RSS
since Mar 2024
Page builders
WordPress Block Editor
since Aug 2026
Performance
Priority Hints
since Mar 2024
Programming languages
PHP
since Mar 2024
Security
Web servers
Nginx
since Mar 2024
Webmail
Microsoft 365
since Mar 2024
WordPress plugins
WordPress themes
Lightning
since Mar 2024
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.90 / 10 · ranked #653,622 of all domains
43 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 2.4 MB · 68 requests
- WordPress theme: lightning · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Research Institute of Construction and Economy
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on GMOCL - GMO GlobalSign Holdings K.K. (153.123.7.136)
- DNS: anshin-sv.jp
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 8,554,716, 2 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted