What powers covidvaccine.gov.hk?
Last seen Jun 2026 · 15 technologies across 9 categories
Analytics
Google Analytics
since May 2021
CDN
cdnjs
since May 2022
Cloudflare
since May 2021
Font scripts
Font Awesome
since May 2021
Google Font API
since May 2021
JavaScript frameworks
React
since May 2021
JavaScript libraries
Miscellaneous
HTTP/3
since Jul 2023
Security
HSTS
since Jan 2023
UI frameworks
Bootstrap
since Aug 2022
Web servers
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 95% phone
- 5% desktop
Hong Kong SAR China
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.48 / 10 · ranked #161,252 of all domains
167 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.8 s |
| INP | 125 ms |
| CLS | 0.35 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Chinese (Hong Kong SAR China)
- CDN: Cloudflare
- Weight: 1.1 MB · 67 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.covidvaccine.gov.hk | 11 |
| booking.covidvaccine.gov.hk | 5 |
| bookingform2.covidvaccine.gov.hk | 5 |
Full technology history →
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Recent changes
- dropped Java Nov 2025