What powers cstl.com.hk?
Last seen Jun 2026 · 46 technologies across 21 categories
Analytics
CDN
Amazon CloudFront
since Aug 2023
Amazon S3
since Aug 2023
Cloudflare
since Oct 2025
Google Hosted Libraries
since Oct 2025
CMS
Cookie compliance
Databases
MySQL
since Jul 2020
Digital asset management
Dropbox
since Aug 2022
Font scripts
Google Font API
since Jul 2020
JavaScript frameworks
Vue.js
since Jun 2022
JavaScript libraries
OWL Carousel
since Jul 2020
Swiper
since Sep 2022
Miscellaneous
HTTP/3
since Oct 2025
Open Graph
since Sep 2022
RSS
since Dec 2022
Swiper Slider
since Feb 2021
Webpack
since Jun 2022
Operating systems
Ubuntu
since Feb 2021
PaaS
Amazon Web Services
since Aug 2023
Cloudways
since Mar 2022
Page builders
Webflow
since Oct 2025
Payment processors
Stripe
since Aug 2022
Programming languages
PHP
since Jul 2020
Security
HSTS
since Oct 2025
Tag managers
Google Tag Manager
since Jul 2020
UI frameworks
Web servers
Webmail
Google Workspace
since Aug 2022
WordPress plugins
Elementor Header & Footer Builder
since Mar 2022
PixelYourSite
since Aug 2022
RankMath SEO
since Nov 2022
Audience
- 68% phone
- 32% desktop
Hong Kong SAR China
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.36 / 10 · ranked #1,049,073 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Chinese
- CDN: Cloudflare
- Weight: 1.1 MB · 21 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| brandsurvey.cstl.com.hk | 32 |
| cstl.com.hk | 15 |
| base.cstl.com.hk | 11 |
| www.cstl.com.hk | 11 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Microsoft Clarity Nov 2025
- dropped Smartlook Nov 2025
- dropped Visual Portfolio Nov 2025
- detected Cloudflare Oct 2025
- detected Google Hosted Libraries Oct 2025
- detected HSTS Oct 2025
- detected HTTP/3 Oct 2025
- detected Webflow Oct 2025
- dropped Isotope Aug 2025
- dropped Slick Aug 2025