What powers viresa.org.vn?
Last seen Sep 2026 · 14 technologies across 11 categories
Analytics
Google Analytics
since May 2021
CDN
Google Hosted Libraries
since Feb 2022
Font scripts
Issue trackers
Sentry
since Nov 2021
JavaScript frameworks
JavaScript libraries
OWL Carousel
since Oct 2021
Live chat
Facebook Chat Plugin
since Oct 2021
Miscellaneous
Open Graph
since Sep 2022
Webpack
since Oct 2021
Programming languages
Node.js
since Oct 2021
Security
HSTS
since Jul 2025
UI frameworks
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.42 / 10 · ranked #2,643,502 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Vietnamese
- Weight: 4.7 MB · 91 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on VTDC-AS-VN Vietel - CHT Compamy Ltd (171.244.54.112)
- DNS: inet.vn
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Sep 2026
- Common Crawl link graph: rank 1,282,776, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted