What powers rias.or.jp?
Last seen Oct 2026 · 17 technologies across 13 categories
Analytics
Google Analytics
since Mar 2023
CMS
WordPress
since Mar 2023
Databases
MySQL
since Mar 2023
Font scripts
Google Font API
since Mar 2023
Hosting
Sakura Internet
since Mar 2023
JavaScript libraries
Clipboard.js
since Mar 2023
Swiper
since Mar 2023
Miscellaneous
Open Graph
since Mar 2023
Page builders
WordPress Block Editor
since Jul 2024
Performance
Priority Hints
since Oct 2023
Programming languages
PHP
since Mar 2023
Web servers
Nginx
since Mar 2023
Webmail
Google Workspace
since Mar 2023
WordPress themes
Lightning
since Mar 2023
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 Oct 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
1.75 / 10 · ranked #4,671,607 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| CLS | 0 |
| TTFB | 1900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 10.8 MB · 109 requests
- WordPress theme: lightning (child: lightning-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Research Institute for Applied Sciences
- Founded: 1917
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on Sakura Internet (219.94.162.217)
- DNS: Sakura Internet
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 13,042,223, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted