What powers sankakudo.jp?
Last seen Aug 2026 · 8 technologies across 7 categories
CDN
Google Hosted Libraries
since Mar 2024
Font scripts
Google Font API
since Mar 2024
Hosting
Sakura Internet
since Feb 2024
JavaScript libraries
Miscellaneous
Open Graph
since Feb 2024
Web servers
Nginx
since Feb 2024
Widgets
SnapWidget
since Mar 2024
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 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
1.84 / 10 · ranked #4,154,473 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 12.8 MB · 83 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (112.78.125.222)
- Email: sankakudo.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 10,287,762, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted