What powers castbook.jp?
Last seen Jun 2026 · 32 technologies across 19 categories
Advertising
Twitter Ads
since Jan 2023
Analytics
Google Analytics
since Jan 2023
Microsoft Clarity
since Sep 2025
CDN
CMS
WordPress
since Jan 2023
Databases
MySQL
since Jan 2023
Font scripts
JavaScript frameworks
Inertia.js
since Jun 2024
JavaScript libraries
Marketing automation
Satori
since Jul 2025
Miscellaneous
PaaS
Amazon Web Services
since Jul 2024
Performance
Priority Hints
since Aug 2023
Programming languages
PHP
since Jan 2023
Security
Cloudflare Bot Management
since Mar 2025
Tag managers
Google Tag Manager
since Jun 2025
Web frameworks
Laravel
since Jun 2024
Web servers
Webmail
Microsoft 365
since Jun 2024
Widgets
Twitter
since Jan 2023
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.55 / 10 · ranked #839,257 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 5.8 MB · 49 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| media.castbook.jp | 25 |
| castbook.jp | 15 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Bot Management Dec 2025
- detected Microsoft Clarity Sep 2025
- dropped Contact Form 7 Aug 2025