What powers osst.jp?
Last seen Jun 2026 · 4 technologies across 4 categories
Audience
- 93% desktop
- 7% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.54 / 10 · ranked #2,419,871 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 0.0 MB · 2 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Amazon SES May 2026
- dropped Amazon Web Services May 2026
- detected Amazon SES Mar 2026
- detected Amazon Web Services Mar 2026
- dropped CentOS Nov 2025
- detected Red Hat Oct 2025