What powers bookmaster.jp?
Last seen Jun 2026 · 18 technologies across 13 categories
Affiliate programs
Moshimo
since Sep 2024
Analytics
CDN
jsDelivr
since Sep 2024
CMS
WordPress
since Sep 2024
Databases
MySQL
since Sep 2024
Font scripts
Font Awesome
since Sep 2024
Google Font API
since Sep 2024
Hosting
Sakura Internet
since Sep 2024
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2024
RSS
since Sep 2024
Performance
Priority Hints
since Sep 2024
Programming languages
PHP
since Sep 2024
Web servers
Nginx
since Sep 2024
WordPress plugins
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.41 / 10 · ranked #7,422,498 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 0.6 MB · 51 requests
- WordPress theme: cocoon-master (child: cocoon-child-master) · all themes
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped cdnjs Jun 2026
- dropped Cloudflare Jun 2026
- dropped Amazon ALB Apr 2026
- dropped Amazon Web Services Apr 2026
- detected Amazon ALB Feb 2026
- detected Amazon Web Services Feb 2026
- dropped Google Hosted Libraries Feb 2026
- dropped Amazon ALB Jan 2026
- dropped Amazon Web Services Jan 2026
- detected Amazon ALB Nov 2025
- detected Amazon Web Services Nov 2025