What powers narashino-lib.jp?
Last seen Jun 2026 · 9 technologies across 8 categories
Development
Microsoft Visual Studio
since Feb 2023
JavaScript libraries
Miscellaneous
Open Graph
since Oct 2023
Operating systems
Windows Server
since Jan 2019
Security
HSTS
since Sep 2022
Web frameworks
Web servers
Webmail
Google Workspace
since Aug 2022
Audience
- 79% phone
- 18% desktop
- 3% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.53 / 10 · ranked #2,446,024 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 0.5 MB · 29 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.