What powers jccoolscience.org?
Last seen Jun 2026 · 25 technologies across 13 categories
Analytics
Google Analytics
since Jul 2025
CDN
Font scripts
Google Font API
since Jul 2025
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Bootstrap Table
since Jul 2025
Miscellaneous
Google Code Prettify
since Feb 2026
Open Graph
since Jul 2025
Operating systems
Ubuntu
since Jul 2025
PaaS
Azure
since Feb 2026
Security
HSTS
since Feb 2026
Tag managers
Google Tag Manager
since Jul 2025
UI frameworks
Web servers
Audience
- 83% phone
- 17% desktop
Hong Kong SAR China
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.88 / 10 · ranked #3,911,230 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Chinese (Hong Kong SAR China)
- Weight: 13.7 MB · 99 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.jccoolscience.org | 19 |
| hackathon.jccoolscience.org | 16 |
| jccoolscience.org | 16 |