What powers high-grade.biz?
Last seen Jun 2026 · 4 technologies across 3 categories
JavaScript libraries
Miscellaneous
Open Graph
since Oct 2022
Web servers
Apache HTTP Server
since Mar 2020
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.31 / 10 · ranked #47,992,348 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 275 ms |
| CLS | 0.05 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese (Japan)
- Weight: 1.9 MB · 117 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.