What powers koza.ne.jp?
Last seen Sep 2026 · 8 technologies across 5 categories
Analytics
Google Analytics
since Jul 2020
CDN
Google Hosted Libraries
since Sep 2023
jsDelivr
since Sep 2023
Hosting
Xserver
since Aug 2022
JavaScript libraries
Security
HSTS
since Sep 2023
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 70% phone
- 30% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.70 / 10 · ranked #765,044 of all domains
43 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 14.1 MB · 72 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (52.198.153.39)
- Email: Xserver
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 1,224,471, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| koza.ne.jp | 8 |
| www.koza.ne.jp | 8 |