What powers sys.edu.hk?
Last seen Jun 2026 · 19 technologies across 11 categories
CDN
CMS
Editors
DreamWeaver
since Aug 2022
Font scripts
Google Font API
since Sep 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Popper
since Aug 2022
Programming languages
PHP
since Aug 2022
UI frameworks
Video players
YouTube
since Sep 2022
Web servers
Apache HTTP Server
since Sep 2022
Webmail
Apple iCloud Mail
since Jan 2023
Google Workspace
since Aug 2022
Audience
- 72% phone
- 28% desktop
Hong Kong SAR China
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.75 / 10 · ranked #4,641,152 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 16.1 MB · 122 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.sys.edu.hk | 13 |
| eclass.sys.edu.hk | 10 |