What powers congdoanhatinh.org.vn?
Last seen Sep 2026 · 12 technologies across 7 categories
Authentication
Facebook Login
since Feb 2022
CDN
jsDelivr
since Feb 2022
JavaScript libraries
OWL Carousel
since Feb 2019
Live chat
Tawk.to
since Apr 2020
Miscellaneous
Open Graph
since Sep 2022
SWFObject
since Feb 2019
Programming languages
PHP
since Feb 2019
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 62% desktop
- 38% phone
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.01 / 10 · ranked #1,577,103 of all domains
36 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 15.7 MB · 220 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP (14.225.252.169)
- DNS: vdconline.vn
- Email: no MX record returned
- SSL: Let's Encrypt, ECDSA P384, expires Dec 2026
- Common Crawl link graph: rank 7,487,028, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| congdoanhatinh.org.vn | 12 |
| www.congdoanhatinh.org.vn | 12 |