What powers sjrc.club?
Last seen Jun 2026 · 19 technologies across 12 categories
Analytics
Cloudflare Browser Insights
since Apr 2024
Authentication
Google Sign-in
since Oct 2023
CDN
Sendgrid
since Apr 2023
Font scripts
Google Font API
since Apr 2023
JavaScript frameworks
JavaScript libraries
Load balancers
Amazon ALB
since May 2026
Miscellaneous
PaaS
Amazon Web Services
since May 2026
Performance
Cloudflare Rocket Loader
since May 2023
UI frameworks
Ant Design
since Nov 2025
Tailwind CSS
since Oct 2024
Audience
- 37% tablet
- 32% phone
- 31% desktop
Hong Kong SAR China
Macao SAR China
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.87 / 10 · ranked #673,343 of all domains
36 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Chinese (Taiwan)
- CDN: Cloudflare
- Weight: 1.9 MB · 79 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| school-admin.sjrc.club | 14 |
| sjrc.club | 13 |
| www.sjrc.club | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Amazon ALB May 2026
- detected Amazon Web Services May 2026
- detected HTTP/3 Apr 2026