What powers 
hoangthanhthanglong.vn?
Last seen Aug 2026 · 40 technologies across 19 categories
Analytics
Authentication
CDN
CMS
Databases
Font scripts
JavaScript libraries
Maps
Marketing automation
Miscellaneous
Operating systems
Performance
Programming languages
Security
UI frameworks
Video players
Web frameworks
Web servers
WordPress plugins
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. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Aug 2026 robots.txt appeared
- Aug 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 56% phone
- 44% desktop
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.96 / 10 · ranked #599,451 of all domains
52 referring domains · OpenPageRank
Core Web Vitals
| LCP | 6.3 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 5700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Vietnamese
- Weight: 6.6 MB · 193 requests
- WordPress theme: jannah (child: jannah-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- HOÀNG THÀNH THĂNG LONG
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on NHANHOA-AS-VN NhanHoa Software company (45.117.177.4)
- DNS: inet.vn
- Email: hoangthanhthanglong.vn
- Email security: no SPF record, no DMARC record
- SSL: Sectigo, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 798,927, 6 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.hoangthanhthanglong.vn | 24 |
| hoangthanhthanglong.vn | 20 |
| trungbayonline.hoangthanhthanglong.vn | 20 |
Full technology history →
Report an incorrect detection
Recent changes
- detected HSTS Feb 2026
- detected Twitter Emoji (Twemoji) Jan 2026
- detected Google Sign-in Dec 2025
- detected Priority Hints Dec 2025