What powers 
jidoukan.or.jp?
Last seen Oct 2026 · 14 technologies across 11 categories
Analytics
Google Analytics
since Mar 2019
CDN
Ecommerce
Cart Functionality
since Jun 2024
Font scripts
Google Font API
since Jan 2025
Hosting
Xserver
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Sep 2021
Video players
YouTube
since Apr 2020
Web servers
Nginx
since Jan 2019
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 55% phone
- 45% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.98 / 10 · ranked #248,214 of all domains
80 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 19.6 MB · 136 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Xserver (202.226.37.158)
- DNS: Xserver
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 521,259, 3 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted