What powers kotaro-juku.co.jp?
Last seen Jun 2026 · 6 technologies across 5 categories
Analytics
Google Analytics
since Oct 2024
JavaScript libraries
Miscellaneous
RSS
since Feb 2023
Tag managers
Google Tag Manager
since Apr 2026
Web servers
Nginx
since Feb 2023
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.44 / 10 · ranked #7,097,785 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| CLS | 0.1 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.1 MB · 42 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Google Tag Manager Apr 2026