What powers yugenkai.or.jp?
Last seen Sep 2026 · 8 technologies across 7 categories
CDN
Google Hosted Libraries
since Aug 2024
Font scripts
Google Font API
since Aug 2023
JavaScript libraries
UI frameworks
Video players
YouTube
since Nov 2025
Web servers
Apache HTTP Server
since Jan 2021
Widgets
SnapWidget
since Aug 2023
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 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
1.46 / 10 · ranked #6,892,025 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 6.5 MB · 92 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on GMOOSK-NET GMO Internet Group, Inc. (160.251.229.16)
- DNS: gmoserver.jp
- Email: gmoserver.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 13,803,581, 5 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| akatsuki.yugenkai.or.jp | 7 |
| kagayaki.yugenkai.or.jp | 6 |
| yugenkai.or.jp | 6 |
Full technology history →
Report an incorrect detection
Recent changes
- detected YouTube Nov 2025