What powers ychwwsss.edu.hk?
Last seen Jun 2026 · 18 technologies across 13 categories
CDN
CMS
eClass
since Aug 2022
Editors
DreamWeaver
since Aug 2022
Font scripts
Hosting panels
Plesk
since May 2025
JavaScript libraries
Miscellaneous
Popper
since Aug 2022
Programming languages
PHP
since Jan 2019
Security
HSTS
since Dec 2025
UI frameworks
Video players
YouTube
since Jan 2019
Web servers
Nginx
since May 2025
Webmail
Apple iCloud Mail
since Jan 2023
Google Workspace
since Aug 2022
Audience
- 51% phone
- 49% desktop
Hong Kong SAR China
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.94 / 10 · ranked #3,754,094 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 25.6 MB · 100 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| ychwwsss.edu.hk | 14 |
| www.ychwwsss.edu.hk | 13 |
| intra.ychwwsss.edu.hk | 10 |
Full technology history →
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Recent changes
- dropped jQuery CDN Jan 2026
- dropped Unpkg Jan 2026
- detected HSTS Dec 2025