What powers 
frh.or.jp?
Last seen Aug 2026 · 23 technologies across 13 categories
Analytics
CDN
CMS
WordPress
since Jan 2019
Databases
MySQL
since Jan 2019
Font scripts
Google Font API
since Jul 2021
Twitter Emoji (Twemoji)
since Jan 2019
JavaScript frameworks
Prototype
since Jul 2021
JavaScript libraries
Maps
Google Maps
since Jul 2023
Miscellaneous
Open Graph
since Sep 2022
RSS
since Jul 2023
Performance
Priority Hints
since Nov 2023
Programming languages
PHP
since Jan 2019
Web servers
Nginx
since Jul 2021
WordPress plugins
MetaSlider
since Feb 2022
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
- Sep 2026 * removed from robots.txt
- Aug 2026 robots.txt removed
- Aug 2026 robots.txt appeared
- Aug 2026 * added to robots.txt
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 81% phone
- 19% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.45 / 10 · ranked #951,900 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 2500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 9.8 MB · 108 requests
- WordPress theme: fukureha · all themes
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (59.106.19.27)
- DNS: Onamae.com
- Email: secure.ne.jp
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 10,953,531, 9 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sakai-clinic.frh.or.jp | 16 |
| takeuchi-clinic.frh.or.jp | 16 |
| frh.or.jp | 15 |
| saito-seikei.frh.or.jp | 12 |
| fukuyoshi.frh.or.jp | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025