What powers rikijuku.jp?
Last seen Jun 2026 · 16 technologies across 10 categories
Analytics
Google Analytics
since Apr 2024
Microsoft Clarity
since Feb 2026
CDN
Amazon CloudFront
since Feb 2026
jsDelivr
since Feb 2026
Font scripts
Google Font API
since Apr 2024
JavaScript libraries
Maps
Google Maps
since Apr 2024
Miscellaneous
HTTP/3
since Feb 2026
Open Graph
since Apr 2024
PaaS
Amazon Web Services
since Feb 2026
Programming languages
Video players
YouTube
since Feb 2026
Web servers
Apache HTTP Server
since Apr 2024
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.31 / 10 · ranked #8,471,613 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 8.3 MB · 203 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped All in One SEO Mar 2026
- dropped Contact Form 7 Mar 2026
- dropped core-js Mar 2026
- dropped jQuery Migrate Mar 2026
- dropped MySQL Mar 2026
- dropped reCAPTCHA Mar 2026
- dropped Shortcodes Ultimate Mar 2026
- dropped WordPress Mar 2026