What powers 21jps.com.hk?
Last seen Aug 2026 · 22 technologies across 15 categories
Analytics
CDN
Amazon CloudFront
since Aug 2022
Ecommerce
Shopline
since Aug 2022
Issue trackers
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Webpack
since Mar 2025
PaaS
Amazon Web Services
since Aug 2022
Payment processors
Photo galleries
PhotoSwipe
since Aug 2025
Programming languages
Ruby
since Aug 2022
Security
UI frameworks
Web frameworks
Ruby on Rails
since Aug 2022
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 Aug 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
Hong Kong SAR China
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 1.8 MB · 64 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Aug 2026.
Full technology history →
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Recent changes
- dropped AngularJS Jan 2026
- dropped Bootstrap Jan 2026
- dropped Braintree Jan 2026
- dropped core-js Jan 2026
- dropped Day.js Jan 2026
- dropped Facebook Pixel Jan 2026
- dropped Google Font API Jan 2026
- dropped jQuery Jan 2026
- dropped LazySizes Jan 2026
- dropped Lodash Jan 2026
- dropped Open Graph Jan 2026
- dropped PhotoSwipe Jan 2026
- dropped Priority Hints Jan 2026
- dropped reCAPTCHA Jan 2026
- dropped Ruby Jan 2026
- dropped Ruby on Rails Jan 2026
- dropped Sentry Jan 2026
- dropped Shopline Jan 2026
- dropped Webpack Jan 2026