What powers mastsast.co.jp?
Last seen Jun 2026 · 5 technologies across 5 categories
Analytics
Google Analytics
since Jan 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Security
HSTS
since Jan 2025
Web servers
Nginx
since Jul 2025
Audience
- 68% phone
- 32% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.38 / 10 · ranked #2,718,591 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.7 MB · 58 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Apache HTTP Server Aug 2025
- dropped PHP Aug 2025