What powers library.yachiyo.chiba.jp?
Last seen Jun 2026 · 6 technologies across 5 categories
Development
Microsoft Visual Studio
since Mar 2026
JavaScript libraries
Miscellaneous
Open Graph
since Mar 2026
Security
HSTS
since Mar 2026
Web frameworks
Audience
- 76% phone
- 19% desktop
- 5% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.91 / 10 · ranked #1,761,042 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 1.1 MB · 33 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Bootstrap Apr 2026
- dropped IIS Apr 2026
- dropped Microsoft 365 Apr 2026
- dropped Windows Server Apr 2026
- detected HSTS Mar 2026
- detected jQuery UI Mar 2026
- detected Microsoft ASP.NET Mar 2026
- detected Microsoft Visual Studio Mar 2026
- detected Open Graph Mar 2026