What powers plkcastar.edu.hk?
Last seen Jun 2026 · 25 technologies across 17 categories
CDN
jQuery CDN
since Aug 2022
Unpkg
since Aug 2022
CMS
eClass
since Aug 2022
Databases
MySQL
since Jul 2023
Editors
DreamWeaver
since Jan 2019
Font scripts
Font Awesome
since Sep 2019
Google Font API
since Sep 2019
JavaScript Libraries
Maps
Google Maps
since Dec 2022
Miscellaneous
Popper
since Aug 2022
Mobile frameworks
Operating systems
Photo galleries
Piwigo
since Jul 2023
Programming languages
PHP
since Jan 2019
UI frameworks
Video players
YouTube
since Apr 2020
Web server extensions
Web servers
Webmail
Microsoft 365
since Aug 2022
Audience
- 70% phone
- 30% desktop
Hong Kong SAR China
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.53 / 10 · ranked #6,258,042 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 15.0 MB · 135 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.plkcastar.edu.hk | 12 |
| intranet.plkcastar.edu.hk | 9 |
| photos.plkcastar.edu.hk | 8 |
| ctv.plkcastar.edu.hk | 5 |
Full technology history →
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