What powers sinkowa.jp?
Last seen Oct 2026 · 14 technologies across 9 categories
CDN
Font scripts
Google Font API
since Aug 2022
JavaScript frameworks
JavaScript libraries
Operating systems
Windows Server
since Jul 2023
Programming languages
UI frameworks
Tailwind CSS
since Jun 2023
Web server extensions
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.96 / 10 · ranked #13,459,598 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 7.0 MB · 18 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Microsoft (20.63.143.189)
- DNS: Muumuu Domain
- Email: Lolipop
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 3072, expires Dec 2026
- Common Crawl link graph: rank 11,797,915, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sinkowa.jp | 14 |
| www.sinkowa.jp | 14 |