What powers ryukyu-h.com?
Last seen Oct 2026 · 7 technologies across 6 categories
Analytics
Google Analytics
since Jan 2019
JavaScript libraries
Operating systems
CentOS
since Jan 2019
Programming languages
Adobe Flash
since Jun 2021
Web servers
Webmail
Google Workspace
since Aug 2022
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
- 81% phone
- 19% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.85 / 10 · ranked #15,452,517 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| CLS | 0.05 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 4.9 MB · 159 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Sakura Internet (133.242.55.55)
- DNS: value-domain.com
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- Common Crawl link graph: rank 12,788,682, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026. How the web is hosted