What powers sansen.jp?
Last seen Aug 2026 · 13 technologies across 11 categories
Analytics
Google Analytics
since Aug 2022
Authentication
Facebook Login
since Aug 2022
CDN
Google Hosted Libraries
since Aug 2022
Ecommerce
Cart Functionality
since Nov 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Security
HSTS
since Sep 2022
UI frameworks
Video players
YouTube
since Aug 2022
Web servers
Apache HTTP Server
since Aug 2022
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
1.80 / 10 · ranked #4,369,782 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 15.8 MB · 157 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- DNS: secure-cms.net
- Email: no MX record returned
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 11,946,429
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted