What powers greenhub.org.vn?
Last seen May 2026 · 28 technologies across 16 categories
CDN
Cloudflare
since Dec 2020
CMS
Databases
MySQL
since Dec 2020
Font scripts
Google Font API
since Dec 2020
Twitter Emoji (Twemoji)
since Dec 2020
JavaScript libraries
Maps
Google Maps
since Dec 2022
Miscellaneous
PaaS
Azure
since Oct 2021
Performance
Cloudflare Rocket Loader
since Oct 2022
Programming languages
PHP
since Dec 2020
Video players
YouTube
since Dec 2020
Web frameworks
Microsoft ASP.NET
since Dec 2020
Web servers
Nginx
since Dec 2025
Webmail
Microsoft 365
since Aug 2022
Widgets
WordPress plugins
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 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
3.18 / 10 · ranked #1,292,274 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on NHANHOA-AS-VN NhanHoa Software company (103.101.163.22)
- DNS: zonedns.vn
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 616,988, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.greenhub.org.vn | 24 |
| greenhub.org.vn | 9 |
Full technology history →
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Recent changes
- dropped Bootstrap Jan 2026
- dropped core-js Dec 2025
- dropped Elementor Dec 2025
- dropped Flickity Dec 2025
- dropped Font Awesome Dec 2025
- dropped Fresco Dec 2025
- dropped GSAP Dec 2025
- dropped lit-element Dec 2025
- dropped lit-html Dec 2025
- dropped Litespeed Cache Dec 2025
- dropped Redux Framework Dec 2025
- dropped WordPress Block Editor Dec 2025