What powers kafutei.co.jp?
Last seen Aug 2026 · 10 technologies across 8 categories
Analytics
Google Analytics
since Jan 2019
CDN
Google Hosted Libraries
since Feb 2022
Font scripts
Google Font API
since Feb 2020
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Dec 2024
Video players
VideoJS
since Mar 2020
Web servers
Nginx
since Jan 2019
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 91% phone
- 9% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.80 / 10 · ranked #1,989,058 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 22.3 MB · 134 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (49.212.180.206)
- DNS: Sakura Internet
- Email: kafutei.co.jp
- Email security: SPF (soft fail), no DMARC record
- Common Crawl link graph: rank 16,664,236, 2 hosts
DNS records as swept Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Google Hosted Libraries Feb 2026