What powers leansigmavn.com?
Last seen Apr 2026 · 17 technologies across 12 categories
Caching
QUIC.cloud
since Apr 2023
CMS
WordPress
since Jan 2019
Databases
MySQL
since Jan 2019
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Preact
since Apr 2026
Miscellaneous
Performance
Priority Hints
since Aug 2023
Programming languages
Security
Really Simple SSL & Security
since Apr 2024
Video players
YouTube
since Nov 2021
Web servers
LiteSpeed
since Jun 2020
WordPress plugins
Audience
Vietnam
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.31 / 10 · ranked #47,468,241 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.3 s |
| CLS | 0 |
| TTFB | 2600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Vietnamese (Vietnam)
- CDN: QUIC.cloud
- Weight: 0.3 MB · 28 requests
- WordPress theme: cicc-training · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped WordPress Block Editor Apr 2026
- dropped Yoast SEO Apr 2026