What powers haidangsci.com?
Last seen Aug 2026 · 14 technologies across 10 categories
Analytics
Google Analytics
since Apr 2023
Authentication
Facebook Login
since Apr 2023
Ecommerce
Bizweb
since Apr 2023
Cart Functionality
since Apr 2023
Font scripts
JavaScript libraries
Miscellaneous
Open Graph
since Apr 2023
Security
HSTS
since Apr 2023
Tag managers
Google Tag Manager
since Apr 2023
UI frameworks
Web servers
Nginx
since Apr 2023
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 Aug 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
0.10 / 10 · ranked #111,403,401 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0.35 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Vietnamese
- Weight: 11.0 MB · 417 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.