What powers holztek.com.vn?
Last seen Jun 2026 · 12 technologies across 10 categories
Analytics
Google Analytics
since May 2020
Authentication
Facebook Login
since Jun 2021
CDN
Cloudflare
since Nov 2021
JavaScript libraries
Live chat
Chatwoot
since May 2025
Miscellaneous
HTTP/3
since Nov 2024
Open Graph
since Sep 2022
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since May 2020
UI frameworks
Web frameworks
Audience
Vietnam
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.67 / 10 · ranked #5,157,434 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Vietnamese
- CDN: Cloudflare
- Weight: 27.2 MB · 274 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped IIS Jun 2026
- dropped Plesk Jun 2026
- dropped Windows Server Jun 2026
- detected HTTP/3 May 2026
- detected Chatwoot Mar 2026
- dropped Chatwoot Dec 2025
- dropped HTTP/3 Oct 2025
- detected IIS Sep 2025
- detected Windows Server Sep 2025
- detected Chatwoot Aug 2025