What powers kazusakai.jp?
Last seen Sep 2026 · 27 technologies across 15 categories
Analytics
CDN
CMS
Databases
Font scripts
Hosting
JavaScript graphics
JavaScript libraries
Maps
Miscellaneous
Programming languages
UI frameworks
Web servers
Widgets
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 88% phone
- 12% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.83 / 10 · ranked #4,208,810 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 2700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 3.6 MB · 92 requests
- WordPress theme: kazusakai · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- 医療法人社団上総会「山之内病院」
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Sakura Internet (219.94.192.110)
- DNS: Sakura Internet
- Email: kazusakai.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: JPRS, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 17,196,902, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Facebook Login May 2026
- dropped Twitter May 2026
- dropped Twitter Ads May 2026
- detected AddToAny Apr 2026
- detected AddToAny Share Buttons Apr 2026
- detected Contact Form 7 Apr 2026
- detected Smash Balloon Instagram Feed Apr 2026
- detected Twitter Emoji (Twemoji) Apr 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025