What powers uto-lib.jp?
Last seen Oct 2026 · 6 technologies across 4 categories
JavaScript frameworks
JavaScript libraries
Security
HSTS
since Sep 2022
Web servers
Apache HTTP Server
since Aug 2022
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.29 / 10 · ranked #2,909,098 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 0.9 MB · 28 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Uto City Library
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on Sakura Internet (160.16.223.197)
- DNS: coda.ne.jp
- Email: coda.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 9,009,698, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted