What powers cfs.edu.hk?
Last seen Oct 2026 · 33 technologies across 18 categories
Analytics
Google Analytics
since Nov 2023
Authentication
Google Sign-in
since Nov 2023
CDN
cdnjs
since Nov 2023
Cloudflare
since Nov 2023
Google Hosted Libraries
since Nov 2023
jQuery CDN
since Sep 2022
Unpkg
since Sep 2022
CMS
eClass
since Sep 2022
Editors
DreamWeaver
since Sep 2022
Font scripts
JavaScript frameworks
Prototype
since Jul 2022
JavaScript graphics
Chart.js
since Nov 2023
JavaScript libraries
Miscellaneous
Operating systems
Windows Server
since Jul 2022
Programming languages
Rich text editors
CKEditor
since Nov 2023
Security
HSTS
since Nov 2023
UI frameworks
Web servers
Webmail
Apple iCloud Mail
since Jan 2023
Widgets
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% desktop
Hong Kong SAR China
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.77 / 10 · ranked #4,529,890 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 9.0 MB · 76 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Caritas Fanling Chan Chun Ha Secondary School
- Founded: 1988
- Country: People's Republic of China
From Wikidata (CC0).
Infrastructure
- Hosted on UDOMAIN-AS-AP UDomain Web Hosting Company Ltd (103.19.27.151)
- DNS: imsbiz.com
- Email: ttasia.com
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 15,487,154, 4 hosts
- Verified with: Apple Business
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| iteach.cfs.edu.hk | 18 |
| www.cfs.edu.hk | 13 |
| eclass.cfs.edu.hk | 9 |
| cfs.edu.hk | 4 |
Full technology history →
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Recent changes
- dropped Plesk Mar 2026