What powers rinkai-pj.com?
Last seen Sep 2026 · 14 technologies across 9 categories
Advertising
Twitter Ads
since May 2023
Analytics
Google Analytics
since May 2023
CDN
Amazon CloudFront
since May 2023
cdnjs
since Dec 2024
Cloudflare
since Dec 2024
jQuery CDN
since Dec 2024
Font scripts
Google Font API
since May 2023
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since May 2023
PaaS
Amazon Web Services
since May 2023
Web servers
Nginx
since May 2023
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 73% phone
- 27% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.09 / 10 · ranked #1,436,737 of all domains
48 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese (Japan)
- CDN: Amazon CloudFront
- Weight: 5.7 MB · 127 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (99.84.234.8)
- DNS: Amazon Route 53
- Email: no MX record returned
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 551,678
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| keirinsai2024.rinkai-pj.com | 11 |
| rinkai-pj.com | 9 |