What powers crystar.jp?
Last seen Sep 2026 · 11 technologies across 8 categories
Advertising
Twitter Ads
since Mar 2023
Analytics
Google Analytics
since Mar 2023
CDN
Hosting
Xserver
since Mar 2023
JavaScript libraries
Security
Cloudflare Bot Management
since Jul 2025
Web servers
Nginx
since Mar 2023
Widgets
SnapWidget
since Feb 2025
Twitter
since Mar 2023
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.77 / 10 · ranked #4,547,254 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 26.0 MB · 159 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Xserver (202.226.39.182)
- Email: crystar.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 17,118,040, 3 hosts
- Verified with: Google
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
- dropped Cloudflare Bot Management Dec 2025
- dropped Microsoft 365 Dec 2025