What powers bthc.edu.hk?
Last seen Aug 2026 · 15 technologies across 12 categories
CMS
eClass
since Sep 2022
Editors
DreamWeaver
since Sep 2022
Font scripts
JavaScript libraries
Miscellaneous
Popper
since Sep 2022
Operating systems
Red Hat
since Jan 2019
Programming languages
PHP
since Jan 2019
Security
HSTS
since Oct 2025
UI frameworks
Web frameworks
Microsoft ASP.NET
since Jan 2019
Web servers
Nginx
since Aug 2020
Webmail
Apple iCloud Mail
since Jan 2023
Google Workspace
since Aug 2022
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Aug 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
All crawlers blocked
Audience
- 85% phone
- 15% desktop
Hong Kong SAR China
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.82 / 10 · ranked #1,926,325 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 7.8 MB · 125 requests
Homepage as crawled by the HTTP Archive, Aug 2026.
Subdomains
| Host | Techs |
|---|---|
| eclass.bthc.edu.hk | 10 |
| www.bthc.edu.hk | 7 |
| www2.bthc.edu.hk | 5 |
| intranet.bthc.edu.hk | 3 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped IIS Apr 2026
- dropped jQuery CDN Apr 2026
- dropped jQuery Migrate Apr 2026
- dropped Slick Apr 2026
- dropped Windows Server Apr 2026
- detected AOS Mar 2026
- dropped Unpkg Mar 2026
- detected HSTS Oct 2025