What powers rakutai.jp?
Last seen Jun 2026 · 23 technologies across 16 categories
Analytics
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
CMS
Databases
MySQL
since Jan 2019
Font scripts
Hosting
Sakura Internet
since Aug 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Performance
LazySizes
since Feb 2022
LazySizes unveilhooks plugin
since Jul 2022
Programming languages
Security
reCAPTCHA
since Apr 2024
Video players
YouTube
since Jul 2022
Web servers
Nginx
since Jan 2019
Widgets
Pocket
since Feb 2023
WordPress plugins
Contact Form 7
since Feb 2022
Audience
- 76% phone
- 24% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.80 / 10 · ranked #1,987,147 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.2 MB · 49 requests
- WordPress theme: diver (child: diver_child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| rakutai.jp | 23 |
| www.rakutai.jp | 23 |
Full technology history →
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Recent changes
- dropped Priority Hints Nov 2025
- detected Priority Hints Sep 2025