What powers siu-online.jp?

CDN

Google Hosted Libraries

since May 2026

jQuery CDN

since May 2026

CMS

WordPress

since Sep 2020

Customer data platform

Treasure Data

since May 2026

Databases

MySQL

since Sep 2020

Font scripts

Google Font API

since May 2026

Hosting

Sakura Internet

since Aug 2022

JavaScript libraries

core-js v3.39.0

since May 2026

jQuery v1.11.1

since May 2026

Select2

since May 2026

Miscellaneous

Open Graph

since May 2026

RSS

since May 2026

Performance

Priority Hints

since May 2026

Programming languages

PHP v7.4.33

since Sep 2020

Security

reCAPTCHA

since May 2026

Segmentation

Oracle BlueKai

since May 2026

Web servers

Nginx

since Sep 2020

WordPress plugins

Contact Form 7 v6.1.5

since May 2026

ProfilePress v4.16.15

since Jun 2022