What powers yobouiryou.or.jp?
Last seen Oct 2026 · 20 technologies across 14 categories
Analytics
Caching
CDN
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
Security
UI frameworks
Web servers
WordPress plugins
WordPress themes
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. 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
3.25 / 10 · ranked #1,197,693 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.4 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 3300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 2.6 MB · 103 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- 一般社団法人 予防医療研究協会
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on GMO Internet (163.44.185.231)
- DNS: Muumuu Domain
- Email: Lolipop
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 10,367,379
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
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Recent changes
- detected All in One SEO Mar 2026
- detected Open Graph Mar 2026
- detected Google Analytics Dec 2025
- detected Site Kit Dec 2025