What powers ptfss.gov.hk?
Last seen Oct 2026 · 5 technologies across 5 categories
CDN
Amazon CloudFront
since Nov 2019
JavaScript frameworks
JavaScript libraries
PaaS
Amazon Web Services
since Nov 2019
Security
HSTS
since Apr 2026
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 94% phone
- 6% desktop
Hong Kong SAR China
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.42 / 10 · ranked #979,175 of all domains
28 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Chinese
- Weight: 7.6 MB · 45 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Tencent Cloud (43.154.94.77)
- 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 12,126,833, 2 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ptfss.gov.hk | 4 |
| www.ptfss.gov.hk | 3 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Apache HTTP Server Oct 2026
- detected HSTS Apr 2026
- detected Apache HTTP Server Feb 2026