What powers kasyou.jp?
Last seen Sep 2026 · 6 technologies across 6 categories
Caching
Ecommerce
Cart Functionality
since Jul 2021
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Aug 2021
Web servers
Apache HTTP Server
since Apr 2020
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 Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.04 / 10 · ranked #1,519,044 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 0.4 MB · 28 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on IDCF IDC Frontier Inc. (210.129.10.201)
- DNS: xaas3.jp
- Email: xaas3.jp
- Email security: SPF (soft fail), DMARC monitor only
- Common Crawl link graph: rank 8,530,107, 2 hosts
DNS records as swept Sep 2026. How the web is hosted