What powers r-books.jp?
Last seen Jan 2026 · 19 technologies across 12 categories
Analytics
Google Analytics
since Jan 2019
Matomo Analytics
since Dec 2025
CDN
Ecommerce
Cart Functionality
since Jul 2021
MakeShop
since Oct 2024
Font scripts
Google Font API
since Oct 2024
JavaScript libraries
Load balancers
Amazon ALB
since Oct 2024
Miscellaneous
Open Graph
since Oct 2024
PaaS
Amazon Web Services
since Oct 2024
Payment processors
Amazon Pay
since Oct 2024
Performance
Priority Hints
since Oct 2025
Video players
Web servers
Apache HTTP Server
since Jun 2021
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.04 / 10 · ranked #1,519,069 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 2.4 MB · 112 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected core-js Dec 2025
- detected Matomo Analytics Dec 2025
- detected Plyr Dec 2025
- detected YouTube Dec 2025