What powers 
change4health.gov.hk?
Last seen Sep 2026 · 9 technologies across 5 categories
JavaScript libraries
Miscellaneous
HTTP/3
since Sep 2023
Security
HSTS
since Jun 2023
UI frameworks
Web servers
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 61% desktop
- 39% phone
Hong Kong SAR China
Taiwan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.74 / 10 · ranked #282,028 of all domains
71 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 11.4 MB · 103 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Tencent Cloud (43.154.94.77, IPv6)
- DNS: scig.gov.hk
- Email: no MX record returned
- Email security: SPF (soft fail), DMARC reject, DNSSEC signed
- SSL: Hongkong Post, RSA 2048, wildcard, expires Apr 2027
- Common Crawl link graph: rank 887,829
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted