What powers rengakai.net?
Last seen Jun 2026 · 21 technologies across 17 categories
Analytics
Google Analytics
since Apr 2019
Authentication
Google Sign-in
since Mar 2021
CDN
Google Hosted Libraries
since Mar 2022
CMS
WordPress
since Apr 2019
Databases
MySQL
since Apr 2019
Ecommerce
Cart Functionality
since Mar 2022
EC-CUBE
since Apr 2019
Font scripts
Font Awesome
since Apr 2023
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Performance
Priority Hints
since Dec 2025
Programming languages
Security
reCAPTCHA
since Apr 2019
Tag managers
Google Tag Manager
since Sep 2021
UI frameworks
Bootstrap
since Mar 2021
Video players
YouTube
since Apr 2019
Web servers
Apache HTTP Server
since Apr 2019
WordPress plugins
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.51 / 10 · ranked #24,203,923 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 5.7 MB · 116 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Google Maps Jan 2026
- detected Priority Hints Dec 2025