What powers daihoidang.vn?
Last seen Aug 2026 · 21 technologies across 10 categories
Analytics
Authentication
Font scripts
JavaScript libraries
Miscellaneous
Operating systems
Security
UI frameworks
Web frameworks
Web servers
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Sep 2026. A recent check saw a policy file missing; awaiting confirmation.
Training crawlers
- CCBot Allowed
- ClaudeBot Allowed
Search and AI assistants
- OAI-SearchBot Allowed
- PerplexityBot Allowed
The other 29 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 ccbot added to robots.txt
- Sep 2026 claudebot added to robots.txt
- Sep 2026 oai-searchbot added to robots.txt
- Sep 2026 perplexitybot added to robots.txt
- Aug 2026 robots.txt appeared
- Aug 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 68% phone
- 32% desktop
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.79 / 10 · ranked #719,616 of all domains
45 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Vietnamese
- Weight: 11.2 MB · 284 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on VNA-AS-VN Vietnam News Agency (202.6.97.126)
- Email: no MX record returned
- SSL: DigiCert, RSA 2048, wildcard, expires Oct 2026
- Common Crawl link graph: rank 1,266,252, 20 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| lichsu.daihoidang.vn | 11 |
| cdn.daihoidang.vn | 10 |
| daihoidang.vn | 10 |
| tongbithu.daihoidang.vn | 10 |
| tulieu.daihoidang.vn | 10 |
| en.daihoidang.vn | 9 |
| fr.daihoidang.vn | 9 |
| ru.daihoidang.vn | 9 |
| zh.daihoidang.vn | 9 |
| tinnguon.daihoidang.vn | 8 |
| dangbo.daihoidang.vn | 4 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped FingerprintJS Jan 2026
- dropped jsDelivr Jan 2026
- detected core-js Oct 2025
- detected FingerprintJS Oct 2025
- detected Google Font API Oct 2025
- detected jsDelivr Oct 2025
- detected LazySizes Oct 2025
- detected Nginx Oct 2025
- detected RSS Oct 2025
- detected Swiper Oct 2025