What powers 21cwindows.com?
Last seen Jun 2026 · 16 technologies across 11 categories
Analytics
Google Analytics
since Sep 2024
Ecommerce
Cart Functionality
since Sep 2024
JavaScript frameworks
AlertifyJS
since Sep 2024
JavaScript libraries
Live chat
WhatsApp Business Chat
since Sep 2024
Miscellaneous
Photo galleries
PhotoSwipe
since Sep 2024
Programming languages
PHP
since Sep 2024
Security
HSTS
since Sep 2024
UI frameworks
Web servers
Apache HTTP Server
since Sep 2024
Audience
- 100% phone
Malaysia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.51 / 10 · ranked #24,110,840 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 2.3 MB · 74 requests
Homepage as crawled by the HTTP Archive, Jul 2026.