What powers 
crystalvilla.jp?
Last seen Aug 2026 · 22 technologies across 10 categories
Advertising
Analytics
CDN
JavaScript frameworks
JavaScript libraries
Maps
Miscellaneous
Tag managers
UI frameworks
Web servers
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 76% phone
- 24% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.54 / 10 · ranked #856,085 of all domains
41 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 225 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 28.7 MB · 279 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Xserver (183.90.244.200)
- DNS: sixcore.ne.jp
- Email: no MX record returned, SPF names Xserver
- Email security: SPF (soft fail)
- SSL: DigiCert, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 11,944,205, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Animate.css Mar 2026