What powers cgk.or.jp?
Last seen Aug 2026 · 8 technologies across 7 categories
CDN
Google Hosted Libraries
since Apr 2024
Font scripts
Google Font API
since Apr 2024
JavaScript libraries
Operating systems
Ubuntu
since Apr 2024
UI frameworks
Pure CSS
since Apr 2024
Web servers
Webmail
Microsoft 365
since Aug 2022
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 Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.51 / 10 · ranked #6,460,840 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 5.9 MB · 40 requests
Homepage as crawled by the HTTP Archive, Sep 2026.