What powers sinfonia.or.jp?
Last seen Jun 2026 · 27 technologies across 17 categories
Advertising
Twitter Ads
since Jul 2021
CDN
Cloudflare
since Jul 2023
CMS
WordPress
since Aug 2018
Databases
MySQL
since Aug 2018
Font scripts
Font Awesome
since Aug 2018
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Operating systems
UNIX
since Aug 2018
Page builders
WordPress Block Editor
since Jul 2024
Programming languages
Security
Web server extensions
Web servers
Widgets
Twitter
since Aug 2018
WordPress plugins
Audience
- 78% phone
- 22% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.77 / 10 · ranked #731,035 of all domains
41 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 250 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.0 MB · 93 requests
- WordPress theme: dp-infinitii · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.sinfonia.or.jp | 27 |
| www2.sinfonia.or.jp | 4 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Priority Hints May 2026
- detected Priority Hints Feb 2026
- dropped Redis Feb 2026
- dropped Redis Object Cache Feb 2026
- dropped cdnjs Jan 2026
- dropped Chart.js Jan 2026
- dropped Cloudflare Jan 2026
- dropped MUI Jan 2026
- dropped Cloudflare Bot Management Nov 2025