What powers vlsp.org.vn?
Last seen Feb 2026 · 8 technologies across 7 categories
CMS
Font scripts
Google Font API
since Jun 2025
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Operating systems
Ubuntu
since May 2024
Programming languages
PHP
since Dec 2020
Web servers
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.21 / 10 · ranked #1,248,903 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on NETNAM-AS-AP Netnam Company (101.96.120.41)
- Email: no MX record returned
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 6,712,031, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| vlsp.org.vn | 7 |
| sv.vlsp.org.vn | 2 |