What powers fdccys.edu.hk?
Last seen Oct 2026 · 33 technologies across 16 categories
Analytics
Cloudflare Browser Insights
since Apr 2026
Google Analytics
since May 2021
Authentication
Google Sign-in
since Jul 2026
CDN
CMS
eClass
since Sep 2022
Editors
DreamWeaver
since Sep 2022
Font scripts
Google Font API
since Jan 2021
JavaScript graphics
Chart.js
since May 2021
JavaScript libraries
Miscellaneous
Programming languages
Rich text editors
CKEditor
since Jul 2021
Security
HSTS
since Sep 2022
UI frameworks
Web frameworks
Microsoft ASP.NET
since Sep 2019
Web servers
Webmail
Apple iCloud Mail
since Jan 2023
Google Workspace
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 bytespider removed from robots.txt
- Oct 2026 amazonbot removed from robots.txt
- Oct 2026 applebot-extended removed from robots.txt
- Oct 2026 meta-externalagent removed from robots.txt
- Oct 2026 ccbot removed from robots.txt
- Oct 2026 claudebot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 50% phone
- 50% desktop
Hong Kong SAR China
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.88 / 10 · ranked #3,928,950 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- CDN: Cloudflare
- Weight: 4.3 MB · 104 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on ASN-TELSTRA-GLOBAL Telstra Global (202.84.162.130)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 9,893,653
- Verified with: Apple Business, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| iteach.fdccys.edu.hk | 22 |
| www.fdccys.edu.hk | 12 |
| eclass.fdccys.edu.hk | 11 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Sign-in Jul 2026
- detected jsDelivr Jul 2026
- detected Select2 Jul 2026
- detected Cloudflare Apr 2026
- detected Cloudflare Browser Insights Apr 2026
- detected HTTP/3 Apr 2026
- detected Nginx Feb 2026