What powers rkintai.jp?
Last seen Oct 2026 · 30 technologies across 16 categories
Affiliate programs
Analytics
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
SEO
Web frameworks
Web servers
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Oct 2026. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
All crawlers blocked
Audience
- 79% phone
- 21% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.21 / 10 · ranked #9,806,060 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 225 ms |
| CLS | 0.15 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 1.8 MB · 71 requests
- WordPress theme: cocoon-master (child: cocoon-child-master) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- R-contents
- Profiles: X
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Sakura Internet (153.120.128.128)
- DNS: Sakura Internet
- Email: digitalartscloud.com
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 41,366,832
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| rkintai.jp | 22 |
| kews8rdg.rkintai.jp | 10 |
| sgy5zm.rkintai.jp | 10 |