What powers shizutani.jp?
Last seen Aug 2026 · 21 technologies across 12 categories
Analytics
CDN
CMS
Databases
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Programming languages
Tag managers
Web servers
WordPress plugins
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 Sep 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 73% phone
- 27% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #364,262 of all domains
77 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 34.0 MB · 212 requests
- WordPress theme: shizutani_theme · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- 特別史跡旧閑谷学校 (Shizutani School on Wikidata)
- Founded: 1673
- Country: Japan
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Xserver (162.43.101.137)
- DNS: Xserver
- Email: Xserver
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 2,862,696, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Slick Jan 2026
- detected Twitter Emoji (Twemoji) Dec 2025