What powers 
chouseikan.co.jp?
Last seen Sep 2026 · 15 technologies across 10 categories
Analytics
Google Analytics
since Jan 2019
CDN
Cloudflare
since Aug 2026
Google Hosted Libraries
since Feb 2022
JavaScript libraries
Miscellaneous
Open Graph
since Apr 2023
Operating systems
CentOS
since Jul 2021
Programming languages
Security
Cloudflare Bot Management
since Aug 2026
Tag managers
Google Tag Manager
since Feb 2020
Web server extensions
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 86% phone
- 14% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.92 / 10 · ranked #636,829 of all domains
46 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 6.0 MB · 104 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Industry: Travel and hospitality (declares
Hotel)
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on SHIBATA Niigata Communication Service (219.101.65.5)
- DNS: ncom.ad.jp
- Email: ncom.ad.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: JPRS, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 7,026,737, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Cloudflare Aug 2026
- detected Cloudflare Bot Management Aug 2026